Question

Which ordered pair is a solution to the system of equations? A (1,3) B (7, -5) C (8,2) D (-2, -3)

Answer 1

2x - y = -1
2x - 4y = 8
-------------------subtract
3y = -9
y = 3

2x - y = -1
2x - 3 =-1
2x = 2
x = 1

solution (1,3)
so answer A

You got it right