(5b-9)-2(2b+3)=-7

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Solution for (5b-9)-2(2b+3)=-7 equation: 



(5b-9)-2(2b+3)=-7

We move all terms to the left:

(5b-9)-2(2b+3)-(-7)=0

We add all the numbers together, and all the variables

(5b-9)-2(2b+3)+7=0

We multiply parentheses

(5b-9)-4b-6+7=0

We get rid of parentheses

5b-4b-9-6+7=0

We add all the numbers together, and all the variables

b-8=0

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

b=8

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