SOLUTION: the sum of two number is 20. their differences is 4. write a system of equation that describes this situation

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: the sum of two number is 20. their differences is 4. write a system of equation that describes this situation      Log On


   

Question 835573: the sum of two number is 20. their differences is 4. write a system of equation that describes this situation
Answer by hovuquocan1997(83) About Me  (Show Source):
You can put this solution on YOUR website!
Let pretend one of them is x and the other one is y
so you have their sum is 20, their difference is 4, which will become
x+y = 20
x-y = 4
TA-DAH
:D