For non-Filipino readers, the last equation, right hand side means sob.
An engineer-economist friend commented that "pilit ang humor" because of the x = gina.
hehe, true, it was "coerced" to produce some funny conclusion. Just for fun.
Below, scattered memes and equations I got from the web. Witty and funny, like the infinity vs. 5, drink and derive.
And the obtuse triangle, the square of 3 and cube of 3. A pi has an endless decimal, so very witty to say to get its last 4 digits.
Election is coming, there should be part 2 of Political jokes soon.
Weekend fun 17: Political jokes, May 15, 2011
Weekend fun 22: Functions and Equations, September 17, 2011
Weekend fun 23: Economist Jokes, September 24, 2011
Weekend Fun 27: Physics Jokes, January 21, 2012
Weekend Fun 58: Mugabe Falls, February 08, 2015
Weekend Fun 59, Laglag bala extortion at PH airports, November 06, 2015