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x in (-oo:+oo)
1/3-30*x = 4*x-(1/2) // - 4*x-(1/2)
1/3-30*x-(4*x)+1/2 = 0
1/3-30*x-4*x+1/2 = 0
5/6-34*x = 0 // - 5/6
-34*x = -5/6 // : -34
x = -5/6/(-34)
x = 5/204
x = 5/204
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