-15+5b=5(2+2b)

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Solution for -15+5b=5(2+2b) equation: 



-15+5b=5(2+2b)

We move all terms to the left:

-15+5b-(5(2+2b))=0

We add all the numbers together, and all the variables

5b-(5(2b+2))-15=0



We calculate terms in parentheses: -(5(2b+2)), so:

5(2b+2)

We multiply parentheses

10b+10

Back to the equation:

-(10b+10)



We get rid of parentheses

5b-10b-10-15=0

We add all the numbers together, and all the variables

-5b-25=0

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

-5b=25

b=25/-5

b=-5

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