Question

Find the values of x and y satisfying x + y = 4 and 3x - y = 0.​

Answer 1

Answer:

x=1

y=-3 is the correct answer

Answer 2

Let the value of x be 1 and y be 3

Therefore, x + y = 4

3 + 1 = 4

And

3x - y = 0

3 × 1 - 3 = 0