21+29m=42+22m

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Solution for 21+29m=42+22m equation: 



21+29m=42+22m

We move all terms to the left:

21+29m-(42+22m)=0

We add all the numbers together, and all the variables

29m-(22m+42)+21=0

We get rid of parentheses

29m-22m-42+21=0

We add all the numbers together, and all the variables

7m-21=0

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

7m=21

m=21/7

m=3

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