7m+12=-9

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Solution for 7m+12=-9 equation:



7m+12=-9
We move all terms to the left:
7m+12-(-9)=0
We add all the numbers together, and all the variables
7m+21=0
We move all terms containing m to the left, all other terms to the right
7m=-21
m=-21/7
m=-3

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