12. Solve -4*v - k + 6 = 3, -g = k for v.
2
Let c = 2 - 2. Let d be c + (-2)/(-4)*4. Let u(j) = -2*j - 6. Let p be u(-4). Solve d*t = i - 5*i - 16, 0 = t - p*i - 8 for t.
0
Let v(i) = -7*i**2 - 2*i + 0 + i + 6 - i**3 - 5. Let q be v(-7). Let h be (-4)/(-10) + 16/10. Solve 4*c - q = 2*b, 0 = h*c - c for b.
-4
Let y = 27 + -11. Let o be (15/2)/(-5)*-2. Suppose 2*u = 2*t - y, -4*t - o*u + 17 = -2*u. Solve t*l - 2*v = 12, 2*l + 2*v - 20 = -l for l.
4
Let p = 4 - 3. Let j = 5 - p. Solve -6*s = -s - j*h - 7, -2*h = -4*s + 2 for s.
-1
Let j be (-33)/44 + 3/4. Solve 0 = 3*f + n - 8, j*f - 5*f + 2*n + 28 = 0 for f.
4
Let f = -16 - -10. Let c be 3/f*(2 + -2). Solve c = y + 2*h - 3, 4*h - 5 + 19 = 2*y for y.
5
Let k = -1 + 4. Let n(s) = -s**2 - 7*s - 4. Suppose 6 = -2*l, -5*l - 53 = 5*y - 8. Let p be n(y). Solve -p*a + k*a - 2*h - 5 = 0, 0 = 2*a + h + 5 for a.
-1
Suppose 4*l - 2*f - 58 = -4*f, -3*l + 4*f = -16. Let u = 13 - 9. Suppose -j = -u*j + l. Solve -8 = -2*h + 2*g, -h - 4*h = j*g + 25 for h.
-1
Let f = -8 + 13. Let u = f + 6. Solve 5*m + u = 1, -w - m = 5 for w.
-3
Let x(s) = s**3 + s**2 + 2. Let g be x(0). Let d be -5*(g/(-2) - 0). Solve -i + 5*i = -d*y + 18, 0 = 5*y - 5*i for y.
2
Let d = -22 + 13. Let p be -3*(6/d)/(-1). Let x be (-2 - 5/p)*6. Solve 0 = -3*h + x*t + 24, h = -6*t + 3*t - 12 for h.
3
Suppose 0 = 4*z - 2*z - 4*t + 4, -23 = -5*z - t. Let s be 1/(z - 45/12). Solve -4*m + 3*o - 6 = s, -5*m - 3*o + 1 = 0 for m.
-1
Suppose 0 = 3*m + m + 4*y + 8, m = 3*y + 14. Let v = 14 + -5. Suppose 3*u + 3*j - 4 = 5, 3*u = 3*j - v. Solve 9 = -2*b - 3*z, m*z + u = -b - 6 for b.
0
Let k = -17 - -12. Let n be (3/(-2))/(k/10). Solve 0 = -n*a + 3*s - 9, 2 + 2 = -3*a + 2*s for a.
2
Let l = 65 + -37. Solve 0 = 3*w + 3*h, -l = w + 3*w - 3*h for w.
-4
Let j(a) = -a**3 - 7*a**2 + a + 9. Let t be j(-7). Let g = -2 - t. Let r = g - -6. Solve -r*f = -4*s + 18, 4*s - s - 11 = -f for s.
4
Let k be (0/(2 - 3))/(-2). Let d = 1 - 1. Let u be (24/(-20))/((-6)/15). Solve 2*j + s - 2 = k, -j - 4 + d = u*s for j.
2
Let s = -41 - -45. Solve -i - 14 = -s*j, i + 11 = 5*j - 6 for j.
3
Let x = 6 - 6. Let v be ((-4)/5)/((-6)/45). Let o be (v - (-1 + 2)) + -1. Solve 2*a = -o*d - 10, x = a - 0*d - 5*d - 23 for a.
3
Let a be 18/5*20/6. Let f = a - 9. Solve -4 = 4*n + 4*y, 2*n + f*y = 2*y + 1 for n.
2
Suppose z + 4*z - 105 = -5*a, -4*a = -2*z - 84. Solve 16 = 3*v - w - w, 3*w = 3*v - a for v.
2
Suppose -5*v = -16 - 9. Solve -3*m + 31 = -4*s, 0*s - 5*s - 3*m = v for s.
-4
Suppose 0 = r + 38 - 41. Solve 10 = -4*p - 5*x, 0 = -p - r*p - x - 18 for p.
-5
Let a be -5 - 2*(-3)/3. Let g be (1 + -1 + -1)*a. Let b(c) = c**2 - 5*c + 5. Let x be b(8). Solve -g = -y + 2*s, -8*s = 5*y - 4*s - x for y.
5
Let m(g) = g**2 + 9*g + 11. Let b(z) = -z**2 - 5*z - 2. Let f be b(-8). Let x = f - -18. Let r be m(x). Solve -r*a = -2*n + a - 10, -4*n + 15 = -a for n.
5
Suppose -24 = -6*l + 2*l. Solve -3*s - l = -5*m, 3*s = 3*m - 2*s - 10 for m.
0
Let n = -30 - -46. Solve 2*i - n = 2*k - 0*i, k + 5*i - 16 = 0 for k.
-4
Let j = 16 + -16. Solve 1 = 2*m + a, -4*m - 10 = -j*a - 2*a for m.
-1
Suppose 5*g = 7*g - 8. Solve 3*t - 2 = 2*f, g*f - 3*t + 2*t = 6 for f.
2
Suppose 5*u + 0 = 2*a - 8, -10 = 2*a + 4*u. Let m be a + 6 + 0 - 2. Let z be (28/35)/(2/5). Solve z*l - 4*o = 1 - 11, m*l + 15 = 3*o for l.
-5
Let i(f) = f**3 + 5*f**2 + f + 5. Let d be i(-5). Suppose k - 6 = -3*w - d, 4*k = 0. Solve 3*s - 3 = -2*x, -4*s + w*s + 10 = 4*x for x.
3
Let l be (-2 - -4)*1/1 - -3. Solve -36 = l*p + 2*h - 5, -3*p - 18 = h for p.
-5
Suppose 6*w - 20 = 2*w. Suppose 5*f + 3*m - 8 = 5*m, -w*m = f + 20. Solve -2*k = z + 1, -4*z - 11 = k - f*k for z.
-3
Suppose -1 + 9 = 4*d. Suppose o - 11 = 4*z + 34, -4*o = 3*z - 237. Suppose o = 4*p + 17. Solve 2*y - 6 = -d*c, -2*y = 2*c + c - p for c.
4
Suppose -235 = -5*t - 0*t. Let h = -21 + t. Suppose a = -a + h. Solve a - 32 = -w + 5*r, 0 = -5*w - 2*r + 14 for w.
4
Let n(d) = -d**2 - d + 4. Let a be n(0). Solve 3*t - 2 = -14, 4*t = 4*x + a for x.
-5
Suppose -9 = -z - c, -16 = -3*z + c - 5. Suppose 0 = -5*h - 25, -z = 2*j + 2*h + 1. Let k = 2 + 7. Solve -j*x - 5*b + 21 = -0*b, k = 4*x - b for x.
3
Suppose 0*k + 28 = 2*k - 4*p, -k + 18 = -4*p. Solve b - 15 = -4*b - 2*l, b = l + k for b.
5
Let f = -39 + 47. Solve -p - 3 = -2*q, -4*q - q + 3*p = -f for q.
1
Let v(t) = -t**3 + 8*t**2 - 6*t - 3. Let r be v(7). Solve 4*z = -r*i - 16, 0 = 4*i + z + 9 - 2 for i.
-1
Let g = 36 - 32. Solve -6*b + b + 4*u - 12 = 0, 9 = -g*b + 3*u for b.
0
Suppose 3*f + v = 0, -v = -4*f + v. Let r(s) = s**2 + 3*s - 6. Let j = 1 + -6. Let x be r(j). Solve 17 = 5*m - x*w, f = -2*m - 0*m - 5*w - 13 for m.
1
Let s(j) = -3*j - 7. Let i be s(-3). Let x be (8/5)/(i/5). Solve -2*w + 3*w = -x*a + 5, -4*a = -5*w + 25 for w.
5
Let m = 2 - 0. Solve m*z - 4*z = 3*b + 14, -28 = 4*b + 5*z for b.
-2
Let d = 9 - -3. Suppose -i - 4*m + 24 = 0, 5*m - 13 = d. Suppose -3*r = -i*r + 12. Solve 0 = 4*g - 4*y - r, -2*g + 2*y = -3*g - 6 for g.
0
Let n = 9 + 19. Suppose -5*y + 47 = -n. Suppose -m = -6*m + y. Solve -m = -d - 2*c, -3*d + c + c - 15 = 0 for d.
-3
Let k = 0 + 4. Suppose -k*t - 33 = -2*h - h, 2*t - 1 = -h. Solve 3*i = 5*u - 21, 0*u - h = -i - 3*u for i.
-2
Suppose -4*g - 28 = 3*l, -2*l + 38 = -3*g - 0*l. Let v = -7 - g. Suppose -n + 8 = v*n. Solve 3*t + n*j - 3 - 16 = 0, 3*j - 15 = 0 for t.
3
Let c = 160 - 155. Solve -2*l = c*d - 18, -4*l + 2 = d - 16 for d.
2
Suppose 2*b = 3*f - b - 21, 5*b = f - 15. Solve i + 15 = f*n, 0*n = -4*i - 4*n - 12 for i.
-5
Let q(m) = -m**2 - m - 2. Let d be q(0). Let j be (-7)/d + 2/4. Solve -7 = j*c + g, -2*g + 7 = -c + 3*g for c.
-2
Let h = -5 - -5. Suppose -2*p + 5*p - 9 = h. Solve 2*a = -3*j - 0*j + 13, -j + 3*a = p for j.
3
Let j(a) = -a**2 + 8*a. Suppose 120 - 45 = 5*l. Let i be 10/l + 44/6. Let o be j(i). Solve -r + 6*b - 3*b + 18 = o, 2*b = 5*r - 25 for r.
3
Suppose -2*x + 3 = -1. Solve -3*g + 4 = -v - 0*v, 4*v - x*g + 16 = 0 for v.
-4
Suppose 0 = j - 0*j - 9. Let m(s) = s**2 + 8*s + 7. Let a be m(-7). Solve 4*l - n - 15 = a, -5*l - n = -l - j for l.
3
Suppose 0*n + n + 2*t - 3 = 0, 15 = 5*n + 2*t. Let y be (n/(-2))/((-2)/(-4)). Let l be 3 + -6 - -5 - y. Solve -4*x + l*v = x - 40, 4*x + v - 7 = 0 for x.
3
Let y = -1029 - -693. Let g be (-2)/5 + y/(-15). Solve 3*z = 2*c - z + 22, -5*z = 3*c - g for c.
-1
Let q(d) = -d**2 - 5*d + 10. Let j be q(-6). Solve 1 = -2*y + 3*h - 11, 4*y + j*h = 16 for y.
0
Let d = 46 - 26. Suppose 0 = 4*s + 20, -3*z - 6 = -s - d. Solve 0 = 2*p - 2, h + z*p - 5 = -p for h.
1
Let g(j) be the first derivative of j**3/3 - 4*j**2 + 3*j - 2. Let m = -2 + 10. Let r be g(m). Solve -r*k - 9 = n, -5*n + 0*k = -3*k - 27 for n.
3
Suppose -4*r - 20 = r, 4*r + 51 = -5*c. Let s(a) = -a**3 - 6*a**2 + 6*a - 5. Let i be s(c). Solve -2*d + 2 = -3*h - 1, i*h + 2 = 4*d for h.
-1
Let l(s) = -s + 5. Let k be l(0). Suppose -2*b - 12 = -6*b. Solve -t + 5*c - 10 = 0, -c + b = 3*t - k*c for t.
5
Let c(j) = -j**2 - 5*j - 1. Suppose 0 = p + 1 + 2. Let h be c(p). Solve -4*x - 1 = d, -h*d - 5 = -3*x - 2*x for d.
-1
Let y be (-1)/(-4) - 14/(-8). Let a = y - 0. Let k be 11 - a - 1 - 2. Solve 4*s - 2*o = -4*o + k, 8 = 5*s + 3*o for s.
1
Suppose -2*y + 0*y + 52 = 0. Suppose -k + y = 3*i, 0 = 2*i - 3*i + 5*k + 30. Solve 0 = 5*a - 5*j + 10, -a - i = 4*a + 3*j for a.
-2
Let p = 20 + -18. Suppose -3*m + 3*t + 3 = p*t, 4*t = -m + 14. Solve -5*u = 2*z + 5 - 8, 22 = 5*z - m*u for z.
4
Let w be -7*2*4/(-28). Solve -w*p = 6, -2*m - p + 5 = 2 for m.
3
Suppose 4*c - n + 8 = 5*c, -4*c - n = -23. Let q(k) = k**3 - 4*k**2 - 4*k - 3. Let h be q(c). Solve 0 = -2*v - 3*r - h, -r = 5*v + r + 16 for v.
-4
Suppose 3*k + 6 + 5 = 5*x, 2*k + 5*x = 26. Let q(u) = -u**2 + 5*u + 2. Let o = -3 + 8. Let p be q(o). Solve -p*t = 2*b + 6, k*t - b = -2*t - 15 for t.
-3
Suppose -g - 10 = g. Let m = 3 + g. Let p be 5/((-3)/3 - m). Solve 0*k - 2*k = y + 11, 5*y - 5 = p*k for k.
-4
Suppose 12 - 84 = -6*o. Solve -2*a + 18 = w + a, 3*a = w + o for w.
3
Let r be (-7)/(-4) + 2/8. Let k = -387 - -388. Solve -r - k = q - j, -3*q - j - 1 = 0 for q.
-1
Suppose 0 = n + 3*j + 1, 3*n - 13 = 4*j + 10. Solve -n*o - 12 = -2*x, 2*x - 1 = 2*o + 5 for x.
1
Suppose 12 = 3*y - 2*s, 2*y = y + 2*s + 8. Suppose -5*n - 5*h = 0, -25 = -2*n - y*h + 5*h. Solve 0 = -