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3(6-m)-4(m+8)=0
We add all the numbers together, and all the variables
3(-1m+6)-4(m+8)=0
We multiply parentheses
-3m-4m+18-32=0
We add all the numbers together, and all the variables
-7m-14=0
We move all terms containing m to the left, all other terms to the right
-7m=14
m=14/-7
m=-2
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