Jerome added two numbers. The sum was 83. One of the numbers was 45. What was the other number?

Question

6595 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-12-11T23:51:48

The other number was 38.

Let's call the number we are looking for #n#:

The sum of 45 and #n# must be 83 so we can write:

#n + 45 = 83#

Now we can solve for #n# while keeping the equation balanced:

#n + 45 - 45 = 83 - 45#

#n + 0 = 38#

#n = 38#