Question

If 9x - 9y = 18 then x - y = ?​

Answer 1

Answer:

2 is the answer

Step-by-step explanation:

hope it helps you❤

Answer 2

Step-by-step explanation:

9(1) - 9(-1)=18

9-(-9)=18

9+9=18

x=1,y=-1

x-y= 1-(-1)

1+1=2