155=9m-7

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Solution for 155=9m-7 equation: 



155=9m-7

We move all terms to the left:

155-(9m-7)=0

We get rid of parentheses

-9m+7+155=0

We add all the numbers together, and all the variables

-9m+162=0

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

-9m=-162

m=-162/-9

m=+18

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