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3(b-2)=-7
We move all terms to the left:
3(b-2)-(-7)=0
We add all the numbers together, and all the variables
3(b-2)+7=0
We multiply parentheses
3b-6+7=0
We add all the numbers together, and all the variables
3b+1=0
We move all terms containing b to the left, all other terms to the right
3b=-1
b=-1/3
b=-1/3
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