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x in (-oo:+oo)
122/4 = x/52 // - x/52
122/4-(x/52) = 0
61/2-1/52*x = 0 // - 61/2
-1/52*x = -61/2 // : -1/52
x = -61/2/(-1/52)
x = 1586
x = 1586
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