Answer:
11. 15x + 6
11. b x + 8 - 16
13. 7x + 31
11 A: x15 + 6
11 B: (x + 8) - 16
13: 7x + 31
Step-by-step explanation:
12x + 23 − 5x + 8
= 12x + 23 + −5x + 8
Combine Like Terms
= (12x + −5x) + (23 + 8)
= 7x + 31
