Search "Substitution"
Systems of equations - substitution
How to solve systems of equations by substitution
Solving linear systems by substitution
Solving Linear Systems by Substitution
Khan Academy
Super fast systems of equations
950
09:20
Example 1: Solving systems by substitution
Solving systems by substitution 1
Khan Academy
Solving systems with substitution
1070
03:43
Example 2: Solving systems by substitution
Solving systems by substitution 2
Khan Academy
Solving systems with substitution
1016
04:05
Example 3: Solving systems by substitution
Solving systems by substitution 3
Khan Academy
Solving systems with substitution
1173
06:03
The Substitution Method
The Substitution Method
Khan Academy
Solving systems with substitution
1027
04:38
Substitution Method 2
Substitution Method 2
Khan Academy
Solving systems with substitution
1133
03:43
Substitution Method 3
Substitution Method 3
Khan Academy
Solving systems with substitution
1009
05:57
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
Khan Academy
Solving systems with substitution
1078
04:20
