7m+21=14

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Solution for 7m+21=14 equation: 



7m+21=14

We move all terms to the left:

7m+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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