8b-31=-19+7b

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Solution for 8b-31=-19+7b equation:



8b-31=-19+7b
We move all terms to the left:
8b-31-(-19+7b)=0
We add all the numbers together, and all the variables
8b-(7b-19)-31=0
We get rid of parentheses
8b-7b+19-31=0
We add all the numbers together, and all the variables
b-12=0
We move all terms containing b to the left, all other terms to the right
b=12

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