Question 563772: The sum of two numbers is 32. The difference between twice the larger number and three times the smaller number is 39. What are the numbers? Answer by nyc_function(2741) (Show Source):
You can put this solution on YOUR website! What you have here is a system of linear equations in two variables.
The variables can be any letters of choice.
I will use a and b.
Here is the system of equations you need:
a + b = 32
2a - 3b = 39
Use the substition method to solve for a and b.
Here's a video clip from yourtube.com that explains how to solve this type of problem.
http://www.youtube.com/watch?v=NQDWhnnEQkI&feature=results_video&playnext=1&list=PLDCB79F19C048E9C5