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-7(b-82)=-84
We move all terms to the left:
-7(b-82)-(-84)=0
We add all the numbers together, and all the variables
-7(b-82)+84=0
We multiply parentheses
-7b+574+84=0
We add all the numbers together, and all the variables
-7b+658=0
We move all terms containing b to the left, all other terms to the right
-7b=-658
b=-658/-7
b=+94
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