Answer:
12x + 3y + 3
Step-by-step explanation:
I totally get you:
1. Remove parenthesis making it: 4x + 2y + 6 + 7x + 3y - 4 + x - 2y + 1
2. Collect Like terms: (4x + 7x + x) + (2y + 3y − 2y) + (6 − 4 + 1)
3. Simplify: 12x + 3y + 3
There you go! I hope this helps! May I please have Brainliest!?!!