You must set \(x/3 = 4x/3\) to get the point (0, 0). The video said setting these equal would not give any new points, which is not true. There was also a minor typo when recording, and the presenter had to manually write \(3\) in \(3y = 4x\).
To see the full video page and find related videos, click the following link.
WIR 20B M152 V9