Answer:
3.2t - 2.4
Explanation:
- 3.6 - 1.9t + 1.2 + 5.1t ← collect like terms
= (- 1.9 + 5.1)t + (- 3.6 + 1.2)
= 3.2t + (- 2.4)
= 3.2t - 2.4
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