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(3/8)*x+9/8 = 11 // - 11
(3/8)*x+9/8-11 = 0
3/8*x-79/8 = 0 // + 79/8
3/8*x = 79/8 // : 3/8
x = 79/8/3/8
x = 79/3
x = 79/3
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