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10*x-(9*x)-(18/8) = 1/8+9/8 // - 1/8+9/8
10*x-(9*x)-(18/8)-(1/8)-(9/8) = 0
10*x-9*x-9/4-1/8-9/8 = 0
x-7/2 = 0 // + 7/2
x = 7/2
x = 7/2
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