3+4m+5=21

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Solution for 3+4m+5=21 equation: 



3+4m+5=21

We move all terms to the left:

3+4m+5-(21)=0

We add all the numbers together, and all the variables

4m-13=0

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

4m=13

m=13/4

m=3+1/4

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