-30=2(b-7)-6

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Solution for -30=2(b-7)-6 equation: 



-30=2(b-7)-6

We move all terms to the left:

-30-(2(b-7)-6)=0



We calculate terms in parentheses: -(2(b-7)-6), so:

2(b-7)-6

We multiply parentheses

2b-14-6

We add all the numbers together, and all the variables

2b-20

Back to the equation:

-(2b-20)



We get rid of parentheses

-2b+20-30=0

We add all the numbers together, and all the variables

-2b-10=0

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

-2b=10

b=10/-2

b=-5

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