-2(3-7b)=12-4b

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Solution for -2(3-7b)=12-4b equation: 



-2(3-7b)=12-4b

We move all terms to the left:

-2(3-7b)-(12-4b)=0

We add all the numbers together, and all the variables

-2(-7b+3)-(-4b+12)=0

We multiply parentheses

14b-(-4b+12)-6=0

We get rid of parentheses

14b+4b-12-6=0

We add all the numbers together, and all the variables

18b-18=0

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

18b=18

b=18/18

b=1

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