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x in (-oo:+oo)
(-1/3)*x-((3/2)*x) = 1/3-(1/4) // - 1/3-(1/4)
(-1/3)*x-((3/2)*x)-(1/3)+1/4 = 0
(-1/3)*x+(-3/2)*x-1/3+1/4 = 0
-11/6*x-1/12 = 0 // + 1/12
-11/6*x = 1/12 // : -11/6
x = 1/12/(-11/6)
x = -1/22
x = -1/22
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