Answer:
−7x+15
Step-by-step explanation:
Step 1: Distribute the negative sign,
=2x+6+ − 1(9x−9)
=2x+6+ −1(9x)+(−1)(−9)
=2x+6+ −9x+9
Combine Like Terms:
=(2x+−9x)+(6+9)
=−7x+15
Hope this helped and plz mark as brainliest!
Luna G.