Solving Linear Equations
http://www.quia.com/hm/114848.html
http://www.slideshare.net/kdwilliams/variables-on-both-sides
http://www.harrison.k12.ky.us/virtual/high/garnett/wp-content/uploads/variables-on-both-sides.pdf
http://www.spx.org/departments/math/teachers/peck/algebraI/documents/3-5Notesfortheweb.pdf
http://cstl.syr.edu/fipse/Algebra/Unit3/steps.htm
http://mathforum.org/library/drmath/view/57268.html
http://home.earthlink.net/~brendamcg/EquawithVariables.htm
http://www.youtube.com/watch?v=VV67Uj1Ct14
http://en.wikibooks.org/wiki/Algebra_I_in_Simple_English/Solving_Equations/Solving_Equations_with_Variables_on_Both_Sides_of_the_Equation
http://www.algebralab.org/practice/practice.aspx?file=algebra1_3-3.xml
