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m-19=-31-15m
We move all terms to the left:
m-19-(-31-15m)=0
We add all the numbers together, and all the variables
m-(-15m-31)-19=0
We get rid of parentheses
m+15m+31-19=0
We add all the numbers together, and all the variables
16m+12=0
We move all terms containing m to the left, all other terms to the right
16m=-12
m=-12/16
m=-3/4
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