SOLUTION: The sum of two nubers is 20. Their difference is 4. A. Write a system of equations that describes this situation B. Solve by elimination to find the two numbers. If you c

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The sum of two nubers is 20. Their difference is 4. A. Write a system of equations that describes this situation B. Solve by elimination to find the two numbers. If you c      Log On


   



Question 380667: The sum of two nubers is 20. Their difference is 4.
A. Write a system of equations that describes this situation

B. Solve by elimination to find the two numbers.
If you could just do A, and set it up that would be amazing

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of two numbers is 20. Their difference is 4.
A. Write a system of equations that describes this situation
:
Write an equation for each statement:
"The sum of two numbers is 20."
x + y = 20
:
" Their difference is 4."
x - y = 4
:
Easy elimination, when you add
x + y = 20
x - y = 4