Question

x + 18 = 2y ; y = 2x - 9​

Answer 1

Answer:

X=0 y=-9

Step-by-step explanation:

X+18=2y

X=18+2y

Y=2(18+2y)-9

Y=36+4y-9

-3y=27

Y=27/(-3)

Y=-9

X=18+2.(-9)

X=18-18

X=0

Answer 2

I hope this answer help u