8t + 5 = 6t + 1,subtract 6t an 5 from each side,2t = -4t = -2Checking, 8t + 5 = -16 + 5 = -11 and 6t +1 = -12 + 1 = -11
t=1
15t = 17 + 8t -24 15t - 8t = 17 - 24 7t = -7 t = -1
Since 1 ton is equal to 2,000 lb, 8T is equal to 16,000 lb.
(t + 7)(t - 1)
8t + 5 = 6t + 1,subtract 6t an 5 from each side,2t = -4t = -2Checking, 8t + 5 = -16 + 5 = -11 and 6t +1 = -12 + 1 = -11
t=1
8t^2 - 11t - 4
15t = 17 + 8t -24 15t - 8t = 17 - 24 7t = -7 t = -1
-(t(3t + 1)(t - 8))
10t=6t+24 -6 -6 4t=24 4 4 1=6 t=6
Since 1 ton is equal to 2,000 lb, 8T is equal to 16,000 lb.
-3t3 + 23t2 + 8t = -t(3t2 - 23t - 8) = -t(3t + 1)(t - 8)
(t + 7)(t - 1)
(6t - 1) / 69 = 1 6t - 1 = 69 6t = 70 t = 70 / 6
12(t+6)+8=4(2t-1)+2t 12t+72+8=8t-4+2t 12t-2t-8t=-72-8-4 2t=-84 2t/2=84/2 t=42
t=3/2 or t=2 1/2