Step-by-step Answer
PAGE: 241SET: ExercisesPROBLEM: 48
Please look in your text book for this problem Statement

The expression is .

Apply subtraction property of equality: Subtract 3t from each side.

              (Apply commutative property of addition: )

                       (Apply additive inverse property: )

                          (Apply additive identity property: )

                                 (Subtract: )

                (Subtract 30 from each side)

                            (Apply additive inverse property: )

                                  (Apply additive identity property: )

                                        (Subtract: )

                                  (Divide each side by 3)

                                        (Cancel common terms)

                                           (Divide: )


To check the solution, substitute in original equation.

        (Product of two different signs is negative)

                        (Multiply: )

                              (Subtract: )

                                       (Add: )

The statement is true.

The solution is .


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