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-5/m+21=17
We move all terms to the left:
-5/m+21-(17)=0
Domain of the equation: m!=0We add all the numbers together, and all the variables
m∈R
-5/m+4=0
We multiply all the terms by the denominator
4*m-5=0
We add all the numbers together, and all the variables
4m-5=0
We move all terms containing m to the left, all other terms to the right
4m=5
m=5/4
m=1+1/4
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