7m+2m+3=84

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Solution for 7m+2m+3=84 equation: 



7m+2m+3=84

We move all terms to the left:

7m+2m+3-(84)=0

We add all the numbers together, and all the variables

9m-81=0

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

9m=81

m=81/9

m=9

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