Step 2. Add 13 to both sides of the equation to get number on the right side.
Step 3. Subtract a to both sides of the equation to get a-terms on the left side.
Step 4. Divide 4 to both sides of the equation
Check............ which is a true statement.
Step 5. ANSWER:
I hope the above steps were helpful.
For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.