Question

Really need help, all is appreciated. Which ordered pair is a solution to the system of equations?
{4x+y=2−2x+y=5
(−12, 4)
(72, −12)
(2, −6)
(1, −2)

Answer 1

For this problem, all you would need to do is plug in numbers for x and y into the calculator. However, none of the ordered pair is a solution to the equations. Unless.. I made a mistake.