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1/2m=40
We move all terms to the left:
1/2m-(40)=0
Domain of the equation: 2m!=0We multiply all the terms by the denominator
m!=0/2
m!=0
m∈R
-40*2m+1=0
Wy multiply elements
-80m+1=0
We move all terms containing m to the left, all other terms to the right
-80m=-1
m=-1/-80
m=1/80
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