Evaluating Expressions with One Variable

Basics of evaluating an expression

[aidanroggow]

I'm glad that they have a youtube channel. I can leave my opinoins here and post questions on the website. 

[vivianzhang]

Dear Khan,
Thank you so much for all the videos you made. I love how you give a clear explanation on every video! Again, thank you so much!!!!

[Actiontime]

Due to coronavirus i get links to videos for homework but this is nothing like what we studied on February..

[giansaria]

Thanks for that video
I can do my homework now

[GuardingCross]

if it's not this guy or khan academy I don't watch it.

[christinehelenbeard]

I wish this were closed captioned so I could use it in my class. Khan videos usually are cc. I wonder why this one slipped through!