Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Isabella has three times as many green houses as yellow houses. She also has 40 fewer yellow houses than red houses. If she has 90 green houses, how many of her houses are not yellow?

### Response:
 Tuchukulie ana nyumba x za nyekundu. Basi ana nyumba x-40 za manjano. Na ana nyumba 3x za kijani.
Hivyo x+x-40+3x=90
<<x+x-40+3x=90>>
4x-40=90
<<4x-40=90>>
4x=90+40
<<4x=90+40>>
4x=130
<<4x=130>>
x=130/4
<<x=130/4>>
x=32.5
<<x=32.5>>
Hivyo ana nyumba 32.5 za nyekundu na 32.5-40=<<32.5-40=-7.5>>-7.5 za manjano
(ni nyumba 7.5 chache kuliko sifuri za manjano)
Hivyo ana nyumba 3*32.5=<<3*32.5=97.5>>97.5 za kijani na 32.5 za nyekundu
Hivyo ana jumla ya nyumba 97.5+32.5=<<97.5+32.5=130>>130