Discuss Forum
1. If x +5y=16 and x=-3y, then y=?
- A. 3
- B. 3
- C. 3
- D. 3
Answer: Option C
Explanation:
x + 5y = 15 ……..(i)
x = - 3y …………(ii)
∴(i)⇒−3y+5y=16∴(�)⇒-3�+5�=16
⇒2y = 16⇒2� = 16
⇒y=8
x = - 3y …………(ii)
∴(i)⇒−3y+5y=16∴(�)⇒-3�+5�=16
⇒2y = 16⇒2� = 16
⇒y=8
Post your comments here: