18-7*m+1=-9

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Solution for 18-7*m+1=-9 equation: 



18-7m+1=-9

We move all terms to the left:

18-7m+1-(-9)=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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