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9(2m-)=18m-81
We move all terms to the left:
9(2m-)-(18m-81)=0
We add all the numbers together, and all the variables
9(+2m)-(18m-81)=0
We multiply parentheses
18m-(18m-81)=0
We get rid of parentheses
18m-18m+81=0
We add all the numbers together, and all the variables
81!=0
There is no solution for this equation
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