For further information about solving linear systems of equations by substitution, see pp. 468 - 474 of Mathematics 10.
Video Set 1:
Solving by Substitution (Basic)
 
 
 
 
 
 

Video 2:
Solving by Substitution (Decimals)
 

Video Set 3:
Solving by Substitution (Fractions)
 
 
 

Video 4:
Linear System Application
 

In order to solve a system of linear equations by substitution, the substitution needs to produce a new equation involving only one variable. Do you expect there are other strategies for solving systems of linear equations? The next lesson focuses on another strategy.