-20+b=2b+5(b+2)

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Solution for -20+b=2b+5(b+2) equation: 



-20+b=2b+5(b+2)

We move all terms to the left:

-20+b-(2b+5(b+2))=0



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

2b+5(b+2)

We multiply parentheses

2b+5b+10

We add all the numbers together, and all the variables

7b+10

Back to the equation:

-(7b+10)



We get rid of parentheses

b-7b-10-20=0

We add all the numbers together, and all the variables

-6b-30=0

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

-6b=30

b=30/-6

b=-5

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