21=-3+3/4m

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Solution for 21=-3+3/4m equation: 



21=-3+3/4m

We move all terms to the left:

21-(-3+3/4m)=0



Domain of the equation: 4m)!=0

m!=0/1

m!=0

m∈R



We add all the numbers together, and all the variables

-(3/4m-3)+21=0

We get rid of parentheses

-3/4m+3+21=0

We multiply all the terms by the denominator


3*4m+21*4m-3=0

Wy multiply elements

12m+84m-3=0

We add all the numbers together, and all the variables

96m-3=0

We move all terms containing m to the left, all other terms to the right

96m=3

m=3/96

m=1/32

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