-4(-5b+5)-1=-121

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Solution for -4(-5b+5)-1=-121 equation: 



-4(-5b+5)-1=-121

We move all terms to the left:

-4(-5b+5)-1-(-121)=0

We add all the numbers together, and all the variables

-4(-5b+5)+120=0

We multiply parentheses

20b-20+120=0

We add all the numbers together, and all the variables

20b+100=0

We move all terms containing b to the left, all other terms to the right

20b=-100

b=-100/20

b=-5

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