Solve the system of equations by graphing. 2x+y=6. x+2y=6

Question

asked May 23, 2016 197k views

1 Answer

Daizuozhuo · Answer 1 · 2016-05-28T19:33:59+0000

2x + 1y = 6 ⇒ 4x + 2y = 12
1x + 2y = 6 ⇒ 1x + 2y = 6
3x = 6
3 3
x = 2
2x + y = 6
2(2) + y = 6
4 + y = 6
- 4 - 4
y = 2
(x, y) = (2, 2)