2b-7-8b=-5(b+3)

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Solution for 2b-7-8b=-5(b+3) equation: 



2b-7-8b=-5(b+3)

We move all terms to the left:

2b-7-8b-(-5(b+3))=0

We add all the numbers together, and all the variables

-6b-(-5(b+3))-7=0



We calculate terms in parentheses: -(-5(b+3)), so:

-5(b+3)

We multiply parentheses

-5b-15

Back to the equation:

-(-5b-15)



We get rid of parentheses

-6b+5b+15-7=0

We add all the numbers together, and all the variables

-1b+8=0

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

-b=-8

b=-8/-1

b=+8

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