Answer:
8-14c
Step-by-step explanation:
2/3 (12 – 21c)
2/3(12)-2/3(21c) [distribute property]
2/3(12-21c)=2(4-7c)=8-14c
A. 1) y ≤ x - 3
refer to the attachment
B. 2) y+2x>5