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(2/3)*x-(3*x)-(5/6) = -11/6 // + -11/6
(2/3)*x-(3*x)-(5/6)-(-11/6) = 0
(2/3)*x-3*x-5/6+11/6 = 0
1-7/3*x = 0 // - 1
-7/3*x = -1 // : -7/3
x = -1/(-7/3)
x = 3/7
x = 3/7
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