Question

The sum of two numbers is 36 and the difference is 12. What are the numbers?

Answer 1

x=24, y=12. (24, 12).

Explanation:

Let x and y be the two numbers that we seek.

Then x+y=36 and x-y=12.

x+y=36

x-y=12

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2x=48

x=48/2

x=24

24+y=36

y=36-24=12