CPM Homework Banner

Home > MC2 > Chapter 6 > Lesson 6.2.2 > Problem 6-89


Shaded tile is plus 1.  Tile is negative 1.Consider the Equation Mat below.

Refer to the Math Notes from Lesson 6.2.1 for help.

  1. Write the original equation represented.

    Count the number of -tiles and unit tiles on each side of the equation, then turn that into an equation.

  2. Simplify the tiles on the mat as much as possible. What value of will make the two expressions equal?

    Remove matching sets of tiles from each side.

    Now you are left with -tiles on the left and unit tiles on the right. Divide each side by to find the value of .