Answer:
p = 10
Step-by-step explanation:
3p + 10 + 5p = 90
8p + 10 = 90
90 - 10 = 80
80 / 8 = 10
The number 8 divided by 3 is 2 with a remainder of 2 (8 / 3 = 2 R.
(-4,3)