Discuss Forum
1. The solution of equations x - y = 2 and x + y = 4 is :
- A. 3 and 1
- B. 3 and 1
- C. 3 and 1
- D. 3 and 1
Answer: Option A
Explanation:
x-y = 2
x+y = 4
(Doing Addition), 2x = 6 or, x = 3
(Doing Subtraction), -2y = -2 or, y = 1
So, x =3 and y= 1 (Ans)
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