Answer:
y=5-4x / 2
I cant do the fraction symbol
112
Step-by-step explanation:
x = -6
-18+4y=0 => 4y=18 =>y=18/4=9/2
Y=5
3x+20=0 => x=3x= -20=> x= -20/3
best bet is a im not 100 percent sure though