-2m+5m-3=21

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Solution for -2m+5m-3=21 equation: 



-2m+5m-3=21

We move all terms to the left:

-2m+5m-3-(21)=0

We add all the numbers together, and all the variables

3m-24=0

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

3m=24

m=24/3

m=8

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