Hi Eva,
Thanks for your work on simplifying the expression! I just wanted to offer a small clarification. When you're combining the terms:
3x + 3x - 2x = (3 + 3 - 2)x = 4x.
So, the final result is indeed:
4x + 22 + 6xy.
Great job on this! Let me know if you have any other questions.
Best,
[Your Name]