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2*x-(3/2) = 6 // - 6
2*x-(3/2)-6 = 0
2*x-3/2-6 = 0
2*x-15/2 = 0 // + 15/2
2*x = 15/2 // : 2
x = 15/2/2
x = 15/4
x = 15/4
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