Solve: We'll use substitution. After moving 9*y to the right, we get: , or . Substitute that
into another equation: and simplify: So, we know that y=2. Since , x=-5.
Answer: .
SOLUTION: The ordered pair (x,y) is (-5,2)
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.