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CCGPS CA 2.1.1 Example 1

Which property of equality is missing in the steps to solve the equation?
  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 the CCGPS Coordinate Algebra program. Visit for more information on our resources.