Write down the solution for this math problem: Solve -421 = 18*y + 104 + 1255 - 268 for y.
answer: -84

Write down the solution for this math problem: Solve -71*o + 991 = -47 - 169 for o.
answer: 17

Write down the solution for this math problem: Solve -6*o - 1378 = 100*o for o.
answer: -13

Write down the solution for this math problem: Solve 18*b + 7 = 25 for b.
answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
1