← Change Exercise
Systems from word problems
Read the problem and find the two numbers.
The sum of two numbers is 11 and their difference is 5. Find the two numbers.
All difficulties
0%
Accuracy
0
Current streak
0
Total answers
0
Correct
What does the generator do?
It makes a word problem giving the sum and difference of two whole numbers and asks for the numbers.
How to solve
Write x + y = sum and x − y = difference. Adding them gives 2x = sum + difference, so x is half of that; then y = sum − x.