83 plus what equals 66?

This is how to calculate "83 plus what equals 66?" In other words, 83 plus a number equals 66. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

83 + what = 66

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

83 - 83 + what = 66 - 83

Then, we do the calculation to get the answer to "83 plus what equals 66?" as follows:

What = -17

The answer to "83 plus what equals 66?" is -17. You know this answer is correct because 83 plus -17 equals 66.

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

83 plus what equals 67?
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.