Find the distance between each pair of parallel lines with the given equations.
10. X = -6
11. y = 3x
9. y = 7
y = -1
x = 5
12. y = -5x
y = -5x + 26
13. y = x + 9
y = x + 3
y = 3x + 10
14. y = -2x+5
y = -2x - 5