CPM Homework Help : CCA Problem A-92

Translate the Equation Mat at right into an equation. Remember that the double line represents “equals.”

Shaded tile is plus 1. Tile is negative 1. A 4 region equation mat. Positive Left: 2 negative, x tiles, and 2 positive unit tiles. Negative Left: 1 negative, x tile, and 4 positive unit tiles. Positive Right: 2 positive unit tiles, and 3 negative unit tiles. Negative Right: 1 positive, x tile, and 2 negative unit tiles.

Hint:

Tackle the Equation Mat corner by corner: top left, bottom left, top right, bottom right.
Remember, the problem does not ask you to simplify.

More Help:

$\left(−2x + 2\right) − \left(−x + 4\right) = ?$

Use the Algebra tiles in the eTools below to help you write an equation.
Click on the link at right for the full eTool version: CCA A-92 HW eTool