7b+40=2(8b+2)

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Solution for 7b+40=2(8b+2) equation: 



7b+40=2(8b+2)

We move all terms to the left:

7b+40-(2(8b+2))=0



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

2(8b+2)

We multiply parentheses

16b+4

Back to the equation:

-(16b+4)



We get rid of parentheses

7b-16b-4+40=0

We add all the numbers together, and all the variables

-9b+36=0

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

-9b=-36

b=-36/-9

b=+4

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