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6*x-5 = 3*x-(9/2) // - 3*x-(9/2)
6*x-(3*x)+9/2-5 = 0
6*x-3*x+9/2-5 = 0
3*x-1/2 = 0 // + 1/2
3*x = 1/2 // : 3
x = 1/2/3
x = 1/6
x = 1/6
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