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(2/3)*(7/11-(3*x))-(3/11) = 9/11 // - 9/11
(2/3)*(7/11-(3*x))-(3/11)-(9/11) = 0
(2/3)*(7/11-3*x)-3/11-9/11 = 0
2/3*(7/11-3*x)-3/11-9/11 = 0
(2/3*11*(7/11-3*x))/11-3/11-9/11 = 0
2/3*11*(7/11-3*x)-9-3 = 0
5/3-22*x-9 = 0
-22*x-22/3 = 0
(-22*x-22/3)/11 = 0
(-22*x-22/3)/11 = 0 // * 11
-22*x-22/3 = 0
-22*x-22/3 = 0 // + 22/3
-22*x = 22/3 // : -22
x = 22/3/(-22)
x = -1/3
x = -1/3
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