-2=3(b-7)-2b

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Solution for -2=3(b-7)-2b equation: 



-2=3(b-7)-2b

We move all terms to the left:

-2-(3(b-7)-2b)=0



We calculate terms in parentheses: -(3(b-7)-2b), so:

3(b-7)-2b

We add all the numbers together, and all the variables

-2b+3(b-7)

We multiply parentheses

-2b+3b-21

We add all the numbers together, and all the variables

b-21

Back to the equation:

-(b-21)



We get rid of parentheses

-b+21-2=0

We add all the numbers together, and all the variables

-1b+19=0

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

-b=-19

b=-19/-1

b=+19

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