55 plus what equals 65?

This is how to calculate "55 plus what equals 65?" In other words, 55 plus a number equals 65. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

55 + what = 65

To solve this equation, we first add -55 to each side of the equal sign like this:

55 - 55 + what = 65 - 55

Then, we do the calculation to get the answer to "55 plus what equals 65?" as follows:

What = 10

The answer to "55 plus what equals 65?" is 10. You know this answer is correct because 55 plus 10 equals 65.

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

55 plus what equals 66?
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.