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x in (-oo:+oo)
2*x = 3*x+1/2 // - 3*x+1/2
2*x-(3*x)-(1/2) = 0
2*x-3*x-1/2 = 0
-x-1/2 = 0 // + 1/2
-x = 1/2 // * -1
x = -1/2
x = -1/2
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