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(8*x-7)/3 = 11 // - 11
(8*x-7)/3-11 = 0
(8*x-7)/3+(-11*3)/3 = 0
8*x-11*3-7 = 0
8*x-40 = 0
(8*x-40)/3 = 0
(8*x-40)/3 = 0 // * 3
8*x-40 = 0
8*x-40 = 0 // + 40
8*x = 40 // : 8
x = 40/8
x = 5
x = 5
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