5m+9=12

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Solution for 5m+9=12 equation: 



5m+9=12

We move all terms to the left:

5m+9-(12)=0

We add all the numbers together, and all the variables

5m-3=0

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

5m=3

m=3/5

m=3/5

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