Answer this i’m elimination using addition and subtraction form

(0,-4)

Step-by-step explanation:

x-y = 4

2x+y = -4

Add these together to eliminate y

x-y = 4

2x+y = -4

3x = 0

Divide by 3

3x/3 = 0/3

x = 0

Now we need to find t

2x+y = -4

0+y = -4

y= -4

i dont know men

step-by-step explanation:

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval