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8-45.
  1. One way to look at absolute value is to think of the absolute value of a number as its distance from zero on a number line. For example, = 6 and = 6 because both 6 and –6 are exactly 6 units from zero on a number line. You can, therefore, think of the equation such as = 5 as the question, “What numbers are exactly five units from zero on the number line?” Thus, the solutions are 5 and –5. Draw a number line to show the solutions to the following equations. Homework Help ✎

    1. = 3

    2. = 0

    3. + 2 = 6

    4. 3 = 15

    5. = 2

    6. = 7