Draw!
![](https://i0.wp.com/66.media.tumblr.com/881c950650aff1df59b4541aedc42511/tumblr_inline_phbrib1F2k1qio24w_540.png?w=852&ssl=1)
You know point C must be on the x-axis, and that AB = BC. Since B is on the y-axis, it turns out all we need to do here is reflect point A across the y-axis. Point C must be at (8, 0), so x = 8.
![](https://i0.wp.com/66.media.tumblr.com/00744b5536e2032d145c8fd8a94c415a/tumblr_inline_phbrlqbVPV1qio24w_540.png?w=852&ssl=1)
from Tumblr https://ift.tt/2yLFCer
Draw!
You know point C must be on the x-axis, and that AB = BC. Since B is on the y-axis, it turns out all we need to do here is reflect point A across the y-axis. Point C must be at (8, 0), so x = 8.
from Tumblr https://ift.tt/2yLFCer