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