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

Dec 11, 2016

The other number was 38.

#### Explanation:

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:

$n + 45 - 45 = 83 - 45$

$n + 0 = 38$

$n = 38$