### Home > CC3MN > Chapter 3 Unit 3 > Lesson CC3: 3.1.1 > Problem 3-7

3-7.

On your paper, write the equation represented on the Equation Mat at right. Simplify as much as possible and then solve for .

*3-7 HW eTool*

*(CPM). Homework Help ✎*

Move all tiles in the "minus" region to the "plus" region by flipping the tiles and remove any zero pairs. Write the equation represented.

Solve for .

Use the eTool below to help solve the problem.

Click the link at right for the full version of the eTool: CC3 3-7 HW eTool