algebra
2007-05-01 13:38:36 · 4 answers · asked by Mayra M 1 in Science & Mathematics ➔ Mathematics
6t+3(5t-4)=12(2t-5)
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6t + 15t -12 = 24t -60
24t - 21t = 60-12
3t = 48
t = 16
2007-05-01 13:49:15 · answer #1 · answered by looikk 4 · 0⤊ 0⤋
6t+3(5t-4)=12(2t-5)
6t+15t-12=24t-60
21t-12=24t-60
21t-12-24t+60=0
-3t+48=0
-3t=-48
t=16
2007-05-01 14:35:53 · answer #2 · answered by bootis32 6 · 0⤊ 0⤋
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2016-12-28 07:00:33 · answer #3 · answered by Anonymous · 0⤊ 0⤋
6t+15t-12=24t-60
21t-12=24t-60
21t-21t-12=24t-21t-60
-12=3t-60
12+60=3t-60+60
48=3t
16=t
2007-05-01 13:54:05 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋