56 plus what equals 17?

This is how to calculate "56 plus what equals 17?" In other words, 56 plus a number equals 17. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

56 + what = 17

To solve this equation, we first add -56 to each side of the equal sign like this:

56 - 56 + what = 17 - 56

Then, we do the calculation to get the answer to "56 plus what equals 17?" as follows:

What = -39

The answer to "56 plus what equals 17?" is -39. You know this answer is correct because 56 plus -39 equals 17.

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

56 plus what equals 18?
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.