-2(b-7)=-4

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



-2(b-7)=-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(b-7)+4=0

We multiply parentheses

-2b+14+4=0

We add all the numbers together, and all the variables

-2b+18=0

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

-2b=-18

b=-18/-2

b=+9

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