4m+5m+15=5m+7m

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Solution for 4m+5m+15=5m+7m equation: 



4m+5m+15=5m+7m

We move all terms to the left:

4m+5m+15-(5m+7m)=0

We add all the numbers together, and all the variables

4m+5m-(+12m)+15=0

We add all the numbers together, and all the variables

9m-(+12m)+15=0

We get rid of parentheses

9m-12m+15=0

We add all the numbers together, and all the variables

-3m+15=0

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

-3m=-15

m=-15/-3

m=+5

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