Answer:
8c - 7r + 10p - 20e
Step-by-step explanation:
(20c + 15r + 75p + 50e) - (12c + 22r + 65p + 70e)
(subtract like terms) (aka. 20c - 12c, 15r - 22r, 75p - 65p, 50e - 70e)
Answer: 23.2
B. The Parameter are different from Zero
(8x - 1) - (3x + 6)
hope this helps
x=4
C+E=180
14x-8+132=180
14x=180-132+8
14x=56
