-2(b+6)+7b=-2(b-1)

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Solution for -2(b+6)+7b=-2(b-1) equation: 



-2(b+6)+7b=-2(b-1)

We move all terms to the left:

-2(b+6)+7b-(-2(b-1))=0

We add all the numbers together, and all the variables

7b-2(b+6)-(-2(b-1))=0

We multiply parentheses

7b-2b-(-2(b-1))-12=0



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

-2(b-1)

We multiply parentheses

-2b+2

Back to the equation:

-(-2b+2)



We add all the numbers together, and all the variables

5b-(-2b+2)-12=0

We get rid of parentheses

5b+2b-2-12=0

We add all the numbers together, and all the variables

7b-14=0

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

7b=14

b=14/7

b=2

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