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d in (-oo:+oo)
(3/8)*d-(4/9) = (5/8)*d+11 // - (5/8)*d+11
(3/8)*d-((5/8)*d)-(4/9)-11 = 0
(3/8)*d+(-5/8)*d-4/9-11 = 0
-1/4*d-103/9 = 0 // + 103/9
-1/4*d = 103/9 // : -1/4
d = 103/9/(-1/4)
d = -412/9
d = -412/9
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