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d in (-oo:+oo)
6*d-368 = (8*d)/9 // - (8*d)/9
6*d-((8*d)/9)-368 = 0
6*d+(-8/9)*d-368 = 0
46/9*d-368 = 0 // + 368
46/9*d = 368 // : 46/9
d = 368/46/9
d = 72
d = 72
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