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n in (-oo:+oo)
(5*n)/4 = 4*n-88 // - 4*n-88
(5*n)/4-(4*n)+88 = 0
(5*n)/4-4*n+88 = 0
88-11/4*n = 0 // - 88
-11/4*n = -88 // : -11/4
n = -88/(-11/4)
n = 32
n = 32
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