37 plus what equals 42?

This is how to calculate "37 plus what equals 42?" In other words, 37 plus a number equals 42. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

37 + what = 42

To solve this equation, we first add -37 to each side of the equal sign like this:

37 - 37 + what = 42 - 37

Then, we do the calculation to get the answer to "37 plus what equals 42?" as follows:

What = 5

The answer to "37 plus what equals 42?" is 5. You know this answer is correct because 37 plus 5 equals 42.

Plus What Equals Calculator
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