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Anonymous
2t - 12 - 3t = 60
-1t - 12 = 60
-1t -12 +12 = 60 + 12
-1t = 72
t = -72
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-72
19-2t = 7 -2t = 7-19 -2t = -12 t = 6
An equation?
t = 28
4000 lbs.
89+2t = 10t+25 89-25 = 10t-2t 64 = 8t t = 8