9m+14=2m+21

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Solution for 9m+14=2m+21 equation: 



9m+14=2m+21

We move all terms to the left:

9m+14-(2m+21)=0

We get rid of parentheses

9m-2m-21+14=0

We add all the numbers together, and all the variables

7m-7=0

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

7m=7

m=7/7

m=1

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