Step-by-step Answer
PAGE: 417SET: ExercisesPROBLEM: 34
Please look in your text book for this problem Statement

The equation is .

Distribute terms using distributive property: .

                     (Multiply: )

Apply addition property of equality: If a = b then a + b = b + a.

               (Apply additive inverse property: )

                     (Apply additive identity property: )

                          (Add: )

Apply division property of equality: If a = b then .

                     (Divide each side by 2)

                           (Cancel common terms)

                             (Divide: )


To check the solution, and substitute x = 12, in .

                (Substitute )

                        (Subtract )

                            (Multiply: )

The equation is true.

The solution of .


"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!"

June Barnett

"Your site is amazing! It helped me get through Algebra."


"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful."

Dan Pease

Simply chose a support option

My status

JOIN US ON:     
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only