Solving And Checking Equations. (2004, February 19). Retrieved April 22, 2018, from http://www.essayworld.com/essays/Solving-And-Checking-Equations/3294

"Solving And Checking Equations." *Essayworld.com*. Essayworld.com, 19 Feb. 2004. Web. 22 Apr. 2018. <http://www.essayworld.com/essays/Solving-And-Checking-Equations/3294>

"Solving And Checking Equations." Essayworld.com. February 19, 2004. Accessed April 22, 2018. http://www.essayworld.com/essays/Solving-And-Checking-Equations/3294.

"Solving And Checking Equations." Essayworld.com. February 19, 2004. Accessed April 22, 2018. http://www.essayworld.com/essays/Solving-And-Checking-Equations/3294.