If x+2y=14 and x-y=5, find x.
2025
If x+2y=14 and x-y=5, find x.
- A.
6
- B.
4
- C.
8
- D.
10
Attempted by 15 students.
Show answer & explanation
Correct answer: C
From x - y = 5, x = y + 5. Substitute in x + 2y = 14 to get y + 5 + 2y = 14, so 3y = 9 and y = 3. Hence x = 8.