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-4/m=2
We move all terms to the left:
-4/m-(2)=0
Domain of the equation: m!=0We multiply all the terms by the denominator
m∈R
-2*m-4=0
We add all the numbers together, and all the variables
-2m-4=0
We move all terms containing m to the left, all other terms to the right
-2m=4
m=4/-2
m=-2
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