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x in (-oo:+oo)
8*x-((-2/3)*x) = 16 // - 16
8*x-((-2/3)*x)-16 = 0
8*x+(2/3)*x-16 = 0
26/3*x-16 = 0 // + 16
26/3*x = 16 // : 26/3
x = 16/26/3
x = 24/13
x = 24/13
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