(10b-7)-3(3b+3)=4

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Solution for (10b-7)-3(3b+3)=4 equation: 



(10b-7)-3(3b+3)=4

We move all terms to the left:

(10b-7)-3(3b+3)-(4)=0

We multiply parentheses

(10b-7)-9b-9-4=0

We get rid of parentheses

10b-9b-7-9-4=0

We add all the numbers together, and all the variables

b-20=0

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

b=20

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