7m+8=7m-m

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Solution for 7m+8=7m-m equation: 



7m+8=7m-m

We move all terms to the left:

7m+8-(7m-m)=0

We add all the numbers together, and all the variables

7m-(+6m)+8=0

We get rid of parentheses

7m-6m+8=0

We add all the numbers together, and all the variables

m+8=0

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

m=-8

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