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x in (-oo:+oo)
-2/9 = (3/2)*x // - (3/2)*x
-((3/2)*x)-2/9 = 0
(-3/2)*x-2/9 = 0
-3/2*x-2/9 = 0 // + 2/9
-3/2*x = 2/9 // : -3/2
x = 2/9/(-3/2)
x = -4/27
x = -4/27
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