7m+21=35

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Solution for 7m+21=35 equation: 



7m+21=35

We move all terms to the left:

7m+21-(35)=0

We add all the numbers together, and all the variables

7m-14=0

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

7m=14

m=14/7

m=2

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