Respuesta :

Answer:

t≥ 2

Step-by-step explanation:

3t+9 ≥ 15

  1. first you have to subtract 9 to both sides.
  2. You will get 3t ≥ 6
  3. Then you divide 3 to both sides since you want t all by its self.
  4. the final answer should be t ≥ 2.
  5. If you want the interval notation as well: [2,∞).

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