15m+3=20m-7-3m

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Solution for 15m+3=20m-7-3m equation: 



15m+3=20m-7-3m

We move all terms to the left:

15m+3-(20m-7-3m)=0

We add all the numbers together, and all the variables

15m-(17m-7)+3=0

We get rid of parentheses

15m-17m+7+3=0

We add all the numbers together, and all the variables

-2m+10=0

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

-2m=-10

m=-10/-2

m=+5

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