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n in (-oo:+oo)
5/6-((3/4)*n) = 4/3 // - 4/3
5/6-((3/4)*n)-(4/3) = 0
(-3/4)*n+5/6-4/3 = 0
-3/4*n-1/2 = 0 // + 1/2
-3/4*n = 1/2 // : -3/4
n = 1/2/(-3/4)
n = -2/3
n = -2/3
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