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Example 1: Solving systems by substitution

Solving systems by substitution 1

Khan Academy
Solving systems with substitution
550
03:43

Substitution method 3

Substitution Method 3

Khan Academy
Solving systems with substitution
535
05:57

Substitution method 2

Substitution Method 2

Khan Academy
Solving systems with substitution
573
03:43

The substitution method

The Substitution Method

Khan Academy
Solving systems with substitution
505
04:38

Example 3: Solving systems by substitution

Solving systems by substitution 3

Khan Academy
Solving systems with substitution
581
06:03

Example 2: Solving systems by substitution

Solving systems by substitution 2

Khan Academy
Solving systems with substitution
530
04:05

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
576
04:20