Answer:
15
Step-by-step explanation:
x - y = 10, then x = 10 + y
x + y = 20
substitute for x:
10 + y + y = 20
2y = 10
y = 5
x = 10 + 5 = 15
Answer:
work is attached and shown
Answer:
A and C
Step-by-step explanation:
I just answered the question.
Answer:
The answer is 12, subtract 17 from 10 to get 7, then add 7 to 5
The answer should be B.
I used a calculator called photomath, its an app.