40 plus what equals 54?

This is how to calculate "40 plus what equals 54?" In other words, 40 plus a number equals 54. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

40 + what = 54

To solve this equation, we first add -40 to each side of the equal sign like this:

40 - 40 + what = 54 - 40

Then, we do the calculation to get the answer to "40 plus what equals 54?" as follows:

What = 14

The answer to "40 plus what equals 54?" is 14. You know this answer is correct because 40 plus 14 equals 54.

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

40 plus what equals 55?
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.