-8(1+b)=-7(b+3)

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Solution for -8(1+b)=-7(b+3) equation: 



-8(1+b)=-7(b+3)

We move all terms to the left:

-8(1+b)-(-7(b+3))=0

We add all the numbers together, and all the variables

-8(b+1)-(-7(b+3))=0

We multiply parentheses

-8b-(-7(b+3))-8=0



We calculate terms in parentheses: -(-7(b+3)), so:

-7(b+3)

We multiply parentheses

-7b-21

Back to the equation:

-(-7b-21)



We get rid of parentheses

-8b+7b+21-8=0

We add all the numbers together, and all the variables

-1b+13=0

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

-b=-13

b=-13/-1

b=+13

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