83 plus what equals 4?

This is how to calculate "83 plus what equals 4?" In other words, 83 plus a number equals 4. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

83 + what = 4

To solve this equation, we first add -83 to each side of the equal sign like this:

83 - 83 + what = 4 - 83

Then, we do the calculation to get the answer to "83 plus what equals 4?" as follows:

What = -79

The answer to "83 plus what equals 4?" is -79. You know this answer is correct because 83 plus -79 equals 4.

Plus What Equals Calculator
Here you can calculate a similar problem:

83 plus what equals 5?
Do you think you can solve a similar problem on your own? Try to figure out the next problem on our list and then go here to check the answer.