Two numbers total 50 and have a difference of 28. Find the two numbers. | MathCelebrity Forum

Two numbers total 50 and have a difference of 28. Find the two numbers.

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Two numbers total 50 and have a difference of 28. Find the two numbers.

Using x and y as our two numbers, we write the following 2 equations:
  1. x + y = 50
  2. x - y = 28
Add the 2 rows:
2x = 78

Divide each side by 2:
x = 39

If x = 39, then from (1), we have
y = 50 - 39
y = 11
 
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