7m+21=21m+-14

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Solution for 7m+21=21m+-14 equation: 



7m+21=21m+-14

We move all terms to the left:

7m+21-(21m+-14)=0

We add all the numbers together, and all the variables

7m-(21m-14)+21=0

We get rid of parentheses

7m-21m+14+21=0

We add all the numbers together, and all the variables

-14m+35=0

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

-14m=-35

m=-35/-14

m=2+1/2

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