11

Step-by-step Answer
PAGE: 134SET: ExercisesPROBLEM: 11
Please look in your text book for this problem Statement

The expression is .

      (Write the equation)

(Subtract 23u from each side)

(Group like terms)

             (Subtract: )

                   (Apply additive identity property: )

   (Subtract 74 from each side)                    

                      (Subtract: )

                            (Apply additive identity property: )

                       (Divide each side by 2)

                            (Cancel common terms)

                                 (Divide: )

The solution is .

Check:

Substitute in the equation.

       (Write the equation)

(Substitute )

       (Multiply: )

                        (Add: )

The solution was checked.

The solution is .



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