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x in (-oo:+oo)
(3*(1/2))/4 = (5/6)*x // - (5/6)*x
(3*(1/2))/4-((5/6)*x) = 0
(-5/6)*x+(3*(1/2))/4 = 0
3/8-5/6*x = 0 // - 3/8
-5/6*x = -3/8 // : -5/6
x = -3/8/(-5/6)
x = 9/20
x = 9/20
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