3m+4m=120

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Solution for 3m+4m=120 equation: 



3m+4m=120

We move all terms to the left:

3m+4m-(120)=0

We add all the numbers together, and all the variables

7m-120=0

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

7m=120

m=120/7

m=17+1/7

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