y=-5-x
Explanation:
x value for 0 which is y=-5 in this case then your going to find the difference between the the the 0 x value and another one in this case I used x value for -2 where y =-3 and i see that going into the negatives added 2 so for then I would get that x is a negative number and I went down two values and it got me up 2 values meaning that x is subtracting whatever your x value is