-18=4-5m-7

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Solution for -18=4-5m-7 equation: 



-18=4-5m-7

We move all terms to the left:

-18-(4-5m-7)=0

We add all the numbers together, and all the variables

-(-5m-3)-18=0

We get rid of parentheses

5m+3-18=0

We add all the numbers together, and all the variables

5m-15=0

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

5m=15

m=15/5

m=3

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