120=8(1+2b)

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Solution for 120=8(1+2b) equation: 



120=8(1+2b)

We move all terms to the left:

120-(8(1+2b))=0

We add all the numbers together, and all the variables

-(8(2b+1))+120=0



We calculate terms in parentheses: -(8(2b+1)), so:

8(2b+1)

We multiply parentheses

16b+8

Back to the equation:

-(16b+8)



We get rid of parentheses

-16b-8+120=0

We add all the numbers together, and all the variables

-16b+112=0

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

-16b=-112

b=-112/-16

b=+7

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