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t in (-oo:+oo)
(t+1)/3-((t-1)/2) = 1 // - 1
(t+1)/3-((t-1)/2)-1 = 0
(t+1)/3+(-1*(t-1))/2-1 = 0
(2*(t+1))/(2*3)+(-1*3*(t-1))/(2*3)+(-1*2*3)/(2*3) = 0
2*(t+1)-1*3*(t-1)-1*2*3 = 0
5-t-6 = 0
-t-1 = 0
(-t-1)/(2*3) = 0
(-t-1)/(2*3) = 0 // * 2*3
-t-1 = 0
-t-1 = 0 // + 1
-t = 1 // * -1
t = -1
t = -1
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