Since the equation '5y = 13' is an equation of a line for the ordered pair of numbers we have:

The first number in an ordered pair tells how far across left or right to go on the X line.

The second number in an ordered pair tells how far up or down to go on the Y line.

The first number can be any number from the X - line.

The second number is the solution for 'y' for the equation '5y = 13' that is y = 13/5 = 2 3/5.

Two ordered pairs from for the line '5y = 13' are:

(0, 2 3/5) and (1, 2 3/5)