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t in (-oo:+oo)
(5/6)*t+3*t+7/10 = -229/330 // + -229/330
(5/6)*t+3*t+7/10-(-229/330) = 0
(5/6)*t+3*t+7/10+229/330 = 0
23/6*t+46/33 = 0 // - 46/33
23/6*t = -46/33 // : 23/6
t = -46/33/23/6
t = -4/11
t = -4/11
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