-2-m=7-m-9

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Solution for -2-m=7-m-9 equation: 



-2-m=7-m-9

We move all terms to the left:

-2-m-(7-m-9)=0

We add all the numbers together, and all the variables

-m-(-1m-2)-2=0

We add all the numbers together, and all the variables

-1m-(-1m-2)-2=0

We get rid of parentheses

-1m+1m+2-2=0

We add all the numbers together, and all the variables

=0

m=0/1

m=0

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