-144=8(-7+b)

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Solution for -144=8(-7+b) equation: 



-144=8(-7+b)

We move all terms to the left:

-144-(8(-7+b))=0

We add all the numbers together, and all the variables

-(8(b-7))-144=0



We calculate terms in parentheses: -(8(b-7)), so:

8(b-7)

We multiply parentheses

8b-56

Back to the equation:

-(8b-56)



We get rid of parentheses

-8b+56-144=0

We add all the numbers together, and all the variables

-8b-88=0

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

-8b=88

b=88/-8

b=-11

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