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n in (-oo:+oo)
2/3 = 3*n-((5/6)*n)-8 // - 3*n-((5/6)*n)-8
(5/6)*n-(3*n)+2/3+8 = 0
(5/6)*n-3*n+2/3+8 = 0
26/3-13/6*n = 0 // - 26/3
-13/6*n = -26/3 // : -13/6
n = -26/3/(-13/6)
n = 4
n = 4
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