7m-9=7m-9

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



7m-9=7m-9

We move all terms to the left:

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

We get rid of parentheses

7m-7m+9-9=0

We add all the numbers together, and all the variables

=0

m=0/1

m=0

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