Step-by-step Answer
PAGE: 248SET: ExercisesPROBLEM: 54
Please look in your text book for this problem Statement

The inequality is .

Apply addition property of inequality: Add 2 to each side.

    (Additive inverse property: )

          (Additive identity property: )

             (Add: )

  (Multiply each side by 6)

          (Cancel common terms)

                (Multiply: )

   (Multiply each side by negative one and flip the symbol)   

                (Product of two same signs is positive)

Graph the solution set on a number line

number line diagram inequality_m_less_than_minus_60

Note: A circle means that this point is not included in the solution set.


To check, substitute a number less than -60 in .

      (Substitute )

               (Subtract )    

The  inequality is true.

The inequality solution set is .


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