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Home > CC3 > Chapter 3 > Lesson 3.1.3 > Problem 3-30


Write the equation represented in the equation mat below.   

  1. Simplify as much as possible and solve for .

  1. Evaluate both the left side and the right side using your solution from part (a). Remember that if your solution is correct, both sides should have the same value.

A 4 region equation mat with tiles as follows: Positive left: 1 positive unit and 2 positive x's. Negative left: 2 negative units and 1 negative x. Positive right: 2 positive units. Negative right: 2 negative x's.Shaded tile is plus 1.  Tile is negative 1.

For more help solving this problem refer to problem 3-14.

Use the eTool below to help solve the problem.
Click the link at right for the full version of the eTool: 3-30 HW eTool