46 plus what equals 21?

This is how to calculate "46 plus what equals 21?" In other words, 46 plus a number equals 21. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

46 + what = 21

To solve this equation, we first add -46 to each side of the equal sign like this:

46 - 46 + what = 21 - 46

Then, we do the calculation to get the answer to "46 plus what equals 21?" as follows:

What = -25

The answer to "46 plus what equals 21?" is -25. You know this answer is correct because 46 plus -25 equals 21.

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

46 plus what equals 22?
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.