Answer:
10
Step-by-step explanation:
Plug in 0 where x is
See image below:)
answer x = 225 and y = -135
Step-by-step explanation:
x+y = 90 and x= 90-y and x -y = 360 so 90-y -y = 360
I don't think it is linear b/c i don't think you can plug in the numbers and get it to work. This may not be right though b/c I did this in my head.