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