Question

What is the solution to this system of equations

4x + y = 6
x - 2y = 6

Answer 1

(4x + y = 6) x 2

8x + 2y = 12

8x + x +2y - 2y = 12 + 6

9x = 18

x = 2

2 - 2y = 6

y = -2