3m-8=12-m

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Solution for 3m-8=12-m equation: 



3m-8=12-m

We move all terms to the left:

3m-8-(12-m)=0

We add all the numbers together, and all the variables

3m-(-1m+12)-8=0

We get rid of parentheses

3m+1m-12-8=0

We add all the numbers together, and all the variables

4m-20=0

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

4m=20

m=20/4

m=5

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