1/3-1/2m=1/6m+7/9
Subtract -1/2m from -1/6 M
1/3-2/3m=7/9
Subtract 1/3 from both sides
-2/3m=7/9-1/3
Solve
-2/3m = 4/9
Divide -2/3 on both sides
M= 4/9 ÷ -2/3
M= - 2/3
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