7m-(-18)=81

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Solution for 7m-(-18)=81 equation: 



7m-(-18)=81

We move all terms to the left:

7m-(-18)-(81)=0

determiningTheFunctionDomain
7m-81-(-18)=0

We add all the numbers together, and all the variables

7m-63=0

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

7m=63

m=63/7

m=9

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