Answer: 11.15
Step-by-step explanation:
10.2 + 12.1 = 22.3 is the total amount of points averaged each game together
22.3 divided by 2 + 11.15
11.15 is the average of the two players over the 10 games
M-2 and -15xbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Answer:

Step-by-step explanation:
Rule:

Your problem:

X = 9
Work:
5x-3+48+90=180 (sum)
-3+48+90=135
135+5x=180
subtract 135 from 135 and 180 and that gives you 45
5x=45
divide each side by 5
x=9