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4+m/5=3
We move all terms to the left:
4+m/5-(3)=0
We add all the numbers together, and all the variables
m/5+1=0
We multiply all the terms by the denominator
m+1*5=0
We add all the numbers together, and all the variables
m+5=0
We move all terms containing m to the left, all other terms to the right
m=-5
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