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2b-7(2+b)=b+3
We move all terms to the left:
2b-7(2+b)-(b+3)=0
We add all the numbers together, and all the variables
2b-7(b+2)-(b+3)=0
We multiply parentheses
2b-7b-(b+3)-14=0
We get rid of parentheses
2b-7b-b-3-14=0
We add all the numbers together, and all the variables
-6b-17=0
We move all terms containing b to the left, all other terms to the right
-6b=17
b=17/-6
b=-2+5/6
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