Search "Method"
Addition elimination method 2
Addition Elimination Method 2
Khan Academy
Solving systems with elimination
604
04:25
Addition elimination method 3
Addition Elimination Method 3
Khan Academy
Solving systems with elimination
611
05:04
Addition elimination method 4
Addition Elimination Method 4
Khan Academy
Solving systems with elimination
563
02:37
Practice using substitution for systems
Example doing Khan Academy systems of equations exercise at: http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/e/systems_of_equations_with_substitution
Addition elimination method 1
Addition Elimination Method 1
Khan Academy
Solving systems with elimination
538
03:37
The substitution method
The Substitution Method
Substitution method 2
Substitution Method 2
