19+5m+7m-11=21m+17-9m-9

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Solution for 19+5m+7m-11=21m+17-9m-9 equation: 



19+5m+7m-11=21m+17-9m-9

We move all terms to the left:

19+5m+7m-11-(21m+17-9m-9)=0

We add all the numbers together, and all the variables

5m+7m-(12m+8)+19-11=0

We add all the numbers together, and all the variables

12m-(12m+8)+8=0

We get rid of parentheses

12m-12m-8+8=0

We add all the numbers together, and all the variables

=0

m=0/1

m=0

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