Answer:
x=40
Step-by-step explanation:
40+100+120+100 is equal to 360. So, x=40
Collect like terms
360-100-120-100=x
360-320=x
40=x or
56
I don't have enough info to understand the question?
Answer: x = -7 and x = 2
(x,y)
look at the 2 that y=1