4m-21=7-2m

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Solution for 4m-21=7-2m equation: 



4m-21=7-2m

We move all terms to the left:

4m-21-(7-2m)=0

We add all the numbers together, and all the variables

4m-(-2m+7)-21=0

We get rid of parentheses

4m+2m-7-21=0

We add all the numbers together, and all the variables

6m-28=0

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

6m=28

m=28/6

m=4+2/3

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