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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

(9b-2)-8b-12+7=0

We get rid of parentheses

9b-8b-2-12+7=0

We add all the numbers together, and all the variables

b-7=0

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

b=7

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