121=-7m+9

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Solution for 121=-7m+9 equation: 



121=-7m+9

We move all terms to the left:

121-(-7m+9)=0

We get rid of parentheses

7m-9+121=0

We add all the numbers together, and all the variables

7m+112=0

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

7m=-112

m=-112/7

m=-16

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