Answer:
(x, y) = (8, -2)
Step-by-step explanation:
Substitute:
3(-4y) + 2y = 20
-12y + 2y = 20
-10y = 20
y = -2
x = -4(-2) = 8
20 miles
The drawings will help
Y= 3/2x+3
Hopefully this helps if so please mark as brainliest