r=-6 and t=3. what is 12-t | 3r-2 |
12 - t|3r - 2|r = -6; t = 3subtitute:12 - 3 · |3 · (-6) - 2| = 12 - 3 · |-18 - 2| = 12 - 3 · |-20| = 12 - 3 · 20 = 12 - 60 = -48