What plus 2 equals 1?

This is how to calculate "What plus 2 equals 1?" In other words, what do you add to 2 to get 1? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 2 = 1

To solve this equation, we first add -2 to each side of the equal sign like this:

What + 2 - 2 = 1 - 2

Then, we do the calculation to get the answer to "What plus 2 equals 1?" as follows:

What = -1

The answer to "What plus 2 equals 1?" is -1. You know this answer is correct because -1 plus 2 equals 1.

What Plus Calculator
Here you can calculate a similar problem:

What plus 2 equals 2?
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.