Example 3

Solve the system by multiplication.

[list=1] [*]Multiply each term of the equation by the same number. [*]Add or subtract the two equations to eliminate one of the variables. [*]Simplify. [/list] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.