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x in (-oo:+oo)
2*x+3/4 = 5*x+5/4 // - 5*x+5/4
2*x-(5*x)+3/4-(5/4) = 0
2*x-5*x+3/4-5/4 = 0
-3*x-1/2 = 0 // + 1/2
-3*x = 1/2 // : -3
x = 1/2/(-3)
x = -1/6
x = -1/6
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