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t in (-oo:+oo)
4/22 = t/77 // - t/77
4/22-(t/77) = 0
2/11-1/77*t = 0 // - 2/11
-1/77*t = -2/11 // : -1/77
t = -2/11/(-1/77)
t = 14
t = 14
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