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n in (-oo:+oo)
n-52 = (-3/29)*(n+18) // - (-3/29)*(n+18)
n-((-3/29)*(n+18))-52 = 0
(3/29)*(n+18)+n-52 = 0
3/29*(n+18)+n-52 = 0
3/29*(n+18)+n-52 = 0
32/29*n-52+54/29 = 0
32/29*n-1454/29 = 0
32/29*n-1454/29 = 0
32/29*n-1454/29 = 0 // + 1454/29
32/29*n = 1454/29 // : 32/29
n = 1454/29/32/29
n = 727/16
n = 727/16
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