Answer:
x = -5
Step-by-step explanation:
Find the gradient:
- m = change in y ÷ change in x
- m = (7 - -7) ÷ (-5 - -5)
- m = 14 ÷ 0
- m = 0 - There is no gradient, and it is a vertical line
The equation is x = -5, because in both co-ordinate pairs, the x is -5 - only the y changes
Hope this helps!
