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Home > CC4 > Chapter A > Lesson A.1.2 > Problem A-20

A-20.
  1. Write and simplify the algebraic expression shown in each Expression Mat below. A-20a HW eTool (CPM), A-20b HW eTool (CPM) and A-20c HW eTool (CPM). Homework Help ✎

  2. a.

    b.

    c.

(2x − 3) − ( ? )

Use the algebra tiles below to help you simplify.

Click the link at right for the full version of the eTool: Int1 A-20a HW eTool.

Which tiles pairs make zeroes?

Use the algebra tiles below to help you simplify.

Click the link at right for the full version of the eTool: Int1 A-20b HW eTool.

x − (x + 2)
= −2x − 2

Use the algebra tiles below to help you simplify.

Click the link at right for the full version of the eTool: Int1 A-20c HW eTool.