Example 2

Author:
Walch Education
Which property of equality is missing in the steps to solve the given equation?
GeoGebra Applet
  1. Observe the differences between the original equation and the next equation in the sequence. What has changed?
  2. Refer to the table of Properties of Equality.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information on their resources.

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