Answer:
(-1, -2)
Step-by-step explanation:
-2x + y = 0
y = 2x
5x + 3y = -11
5x + 3(2x) = -11 => 5x + 6x = -11
11x = -11
x = -1
-2(-1) + y= 0
2 + y = 0 => y = -2
y=2x and y=mx+b.
