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x in (-oo:+oo)
4.9*x-10 > x/3-12 // - x/3-12
4.9*x-(x/3)-10+12 > 0
4.56666667*x+2 > 0 // - 2
4.56666667*x > -2 // : 4.56666667
x > -2/4.56666667
x > -0.4379562
x in (-0.4379562:+oo)
(-0.4379562:+oo)
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