7m+-2=-30

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Solution for 7m+-2=-30 equation: 



7m+-2=-30

We move all terms to the left:

7m+-2-(-30)=0

We add all the numbers together, and all the variables

7m+28=0

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

7m=-28

m=-28/7

m=-4

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