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(2*x-7)/6 = 2/3 // - 2/3
(2*x-7)/6-(2/3) = 0
(2*x-7)/6-2/3 = 0
(3*(2*x-7))/(3*6)+(-2*6)/(3*6) = 0
3*(2*x-7)-2*6 = 0
6*x-33 = 0
(6*x-33)/(3*6) = 0
(6*x-33)/(3*6) = 0 // * 3*6
6*x-33 = 0
6*x-33 = 0 // + 33
6*x = 33 // : 6
x = 33/6
x = 11/2
x = 11/2
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