Answer:
1 = Yes
2 = Yes
3 = No
4 = Yes
5 = No
6 = Yes
Work Shown:
1. 2x - 2y = 2x - 2y
2. 4x + 4y = 4x + 4y
3. 4p + 3c [tex]\neq[/tex] 4p + 2c (unless c = 0)
4. 21q + 7p = 21q + 7p
5. 8a - 12v [tex]\neq[/tex] 8a + 6v (unless v = 0)
6. 24x + 8c - 1 = 8c + 24x - 1
