Question

(well give medal!) Question 5. 5. Solve, using linear combination.

11x + 4y = 18
3x + 4y = 2

(Points : 1)
(2, –1)
(4, –5)
(2, 1)
(2, 0)

Answer 1

For the point (2, -1), let x=2, and y=-1. See if the eqation is true. If not, test the next point