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4m+2=8m-12
We move all terms to the left:
4m+2-(8m-12)=0
We get rid of parentheses
4m-8m+12+2=0
We add all the numbers together, and all the variables
-4m+14=0
We move all terms containing m to the left, all other terms to the right
-4m=-14
m=-14/-4
m=3+1/2
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