Answer
3t+3
Work Step by Step
(t+9)-(-2t+6)
=t+9+2t-6
=t+2t+9-6
=3t+3
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.