Answer: x=4 y=2
Explanation:
y = 2x -6, y = -½ x +4
were going to use substitution
y = 2x -6
(y = -1/2x +4)4 *you are trying to get -1/2 the same as 2x
y = 2x -6
4y = -2x +16 *add both equations together
5y = 10 *divide
y=2
2 = 2x -6 *plug y=2 into the equation
+6 +6
8=2x
4=x