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m/2+4=12
We move all terms to the left:
m/2+4-(12)=0
We add all the numbers together, and all the variables
m/2-8=0
We multiply all the terms by the denominator
m-8*2=0
We add all the numbers together, and all the variables
m-16=0
We move all terms containing m to the left, all other terms to the right
m=16
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