3-7m=7-9m

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Solution for 3-7m=7-9m equation: 



3-7m=7-9m

We move all terms to the left:

3-7m-(7-9m)=0

We add all the numbers together, and all the variables

-7m-(-9m+7)+3=0

We get rid of parentheses

-7m+9m-7+3=0

We add all the numbers together, and all the variables

2m-4=0

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

2m=4

m=4/2

m=2

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