-2(-3b+4)=-9+7b

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Solution for -2(-3b+4)=-9+7b equation: 



-2(-3b+4)=-9+7b

We move all terms to the left:

-2(-3b+4)-(-9+7b)=0

We add all the numbers together, and all the variables

-2(-3b+4)-(7b-9)=0

We multiply parentheses

6b-(7b-9)-8=0

We get rid of parentheses

6b-7b+9-8=0

We add all the numbers together, and all the variables

-1b+1=0

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

-b=-1

b=-1/-1

b=1

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