3.5m+4m-12=213

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Solution for 3.5m+4m-12=213 equation: 



3.5m+4m-12=213

We move all terms to the left:

3.5m+4m-12-(213)=0

We add all the numbers together, and all the variables

7.5m-225=0

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

7.5m=225

m=225/7.5

m=30

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