Answer:
t = 8
Explanation:
1. 2.5(t-2)-6 = 9 = 2.5t-5-6=9
2. add common terms = 2.5t - 11 = 9
3. add 11 on both sides to eliminate the 11
4. 2.5t= 20
5. 20/2.5 = 8
6. t = 8
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