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3-38.

For the following equations, draw a picture of the tiles on an Equation Mat like the one shown at right. Then use “legal” moves to simplify and solve for the variable. Record your work.   

Shaded tile is plus 1.  Tile is negative 1.An equation mat with four sections.

  1. A 4 region equation mat with tiles as follows. Positive left: two negative units and 1 positive x. Upper right: two positive units and 1 negative x.

Use the eTools below to help solve the problems.
Click the link at right for the full version of the eTool:  3-38 HW eTool