41 plus what equals 81?

This is how to calculate "41 plus what equals 81?" In other words, 41 plus a number equals 81. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

41 + what = 81

To solve this equation, we first add -41 to each side of the equal sign like this:

41 - 41 + what = 81 - 41

Then, we do the calculation to get the answer to "41 plus what equals 81?" as follows:

What = 40

The answer to "41 plus what equals 81?" is 40. You know this answer is correct because 41 plus 40 equals 81.

Plus What Equals Calculator
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41 plus what equals 82?
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