Answer:
x=9, y=3
Step-by-step explanation:
-4x+6y=-18
y=-2x+21
-4x+6(-2x+21)=-18
-4x-12x+126=-18
144=16x
x=9
y=-18+21
y=3
D-6/25
C: 38 units
hope this helps!!
ejnbn
fnbfnt5jk2q54mref vjrju3
3.50
doesnt change therefore its constant
brainliest answer please
