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-12/m=-4
We move all terms to the left:
-12/m-(-4)=0
Domain of the equation: m!=0We add all the numbers together, and all the variables
m∈R
-12/m+4=0
We multiply all the terms by the denominator
4*m-12=0
We add all the numbers together, and all the variables
4m-12=0
We move all terms containing m to the left, all other terms to the right
4m=12
m=12/4
m=3
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