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