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x in (-oo:+oo)
4*x-(5/2) = 3/4 // - 3/4
4*x-(5/2)-(3/4) = 0
4*x-5/2-3/4 = 0
4*x-13/4 = 0 // + 13/4
4*x = 13/4 // : 4
x = 13/4/4
x = 13/16
x = 13/16
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