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x in (-oo:+oo)
2*x-(3/2) = 13 // - 13
2*x-(3/2)-13 = 0
2*x-3/2-13 = 0
2*x-29/2 = 0 // + 29/2
2*x = 29/2 // : 2
x = 29/2/2
x = 29/4
x = 29/4
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