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Home > AC > Chapter 3 > Lesson 3.1.2 > Problem 3-15

3-15.

Copy and simplify the following expressions by combining like terms. Homework Help ✎

  1. Flip subtraction to addition.

    Combine like terms.

    Remember that you cannot combine and .

  1. See the hint in part (a).

  1. Remember that cannot be combined with or .

    See the hints in part (a).

  1. See the hints in part (a) and part (c).