Khan Academy Static

Understand what a solution to an equation really means. Practice plugging in values for variables to see whether or not an equation is true.

2015_Solutions_to_2_variable_equations_graphical_old_.html

2014_Solutions_to_2_variable_equations_substitution_old_.html

2013_Completing_solutions_to_2_variable_equations.html

2011_Solutions_to_2_variable_equations.html

2012_Worked_example_solutions_to_2_variable_equations.html

2010_Two_variable_linear_equations_intro.html