43 plus what equals 66?

This is how to calculate "43 plus what equals 66?" In other words, 43 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:

43 + what = 66

To solve this equation, we first add -43 to each side of the equal sign like this:

43 - 43 + what = 66 - 43

Then, we do the calculation to get the answer to "43 plus what equals 66?" as follows:

What = 23

The answer to "43 plus what equals 66?" is 23. You know this answer is correct because 43 plus 23 equals 66.

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

43 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.