TED Video: Why Do We Solve for "X"?...

Why Do We Solve for X? Does Anyone Know?
Answer: Yes. Watch and Learn...

http://www.ted.com/talks/terry_moore_why_is_x_the_unknown.html
TED: We Do We Solve for X? (A video explanation.)

TED Talks are well known and information discussion platforms providing insights into many topics.

Here, we find out why we use the letter x.
Link: http://www.ted.com/talks/terry_moore_why_is_x_the_unknown.html

Hint: A long time ago...

Now we know, why we solve for x!
Pass it on.
PH.