Substitution Method

Solving Systems of Equations by the Substitution Method

1. Work out the value of an unknown in one of the equations.

2.Substitute the expression of this unknown in the other equation, obtaining an equation with one unknown.

3. Solve the equation.

4. The value obtained is substituted into the other equation.

5. The two values obtained are the solution of the system.


System of Equations

1Work out the value of x.

System of Equations Exercise

2Substitute into the other equation the value of x:

System of Equations Exercise

3 Solve the equation obtained:

System of Equations Exercise

4Substitute the value obtained.

System of Equations Exercise

5Solution:

System of Equations Solutions

Examples

System of Equations

System of Equations Operations

System of Equations Operations

System of Equations Solution


System of Equations

System of Equations Operations

System of Equations Operations

System of Equations Operations

System of Equations Solution


System of Equations

System of Equations Operations

System of Equations Operations

System of Equations Operations

System of Equations Solution


System of Equations

System of Equations Operations

System of Equations Operations

System of Equations Operations

System of Equations Solution

System of Equations Solution