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t in (-oo:+oo)
-14 = 3*t+t+2 // - 3*t+t+2
-(3*t)-t-14-2 = 0
-3*t-t-14-2 = 0
-4*t-16 = 0 // + 16
-4*t = 16 // : -4
t = 16/(-4)
t = -4
t = -4
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