-31+2b=7(b-8)+5

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Solution for -31+2b=7(b-8)+5 equation: 



-31+2b=7(b-8)+5

We move all terms to the left:

-31+2b-(7(b-8)+5)=0



We calculate terms in parentheses: -(7(b-8)+5), so:

7(b-8)+5

We multiply parentheses

7b-56+5

We add all the numbers together, and all the variables

7b-51

Back to the equation:

-(7b-51)



We get rid of parentheses

2b-7b+51-31=0

We add all the numbers together, and all the variables

-5b+20=0

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

-5b=-20

b=-20/-5

b=+4

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