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x in (-oo:+oo)
2*x+27/4 = 3*x-(5/4) // - 3*x-(5/4)
2*x-(3*x)+27/4+5/4 = 0
2*x-3*x+27/4+5/4 = 0
8-x = 0 // - 8
-x = -8 // * -1
x = 8
x = 8
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