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m/31=-7
We move all terms to the left:
m/31-(-7)=0
We add all the numbers together, and all the variables
m/31+7=0
We multiply all the terms by the denominator
m+7*31=0
We add all the numbers together, and all the variables
m+217=0
We move all terms containing m to the left, all other terms to the right
m=-217
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