What plus 38 equals 80?

This is how to calculate "What plus 38 equals 80?" In other words, what do you add to 38 to get 80? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 38 = 80

To solve this equation, we first add -38 to each side of the equal sign like this:

What + 38 - 38 = 80 - 38

Then, we do the calculation to get the answer to "What plus 38 equals 80?" as follows:

What = 42

The answer to "What plus 38 equals 80?" is 42. You know this answer is correct because 42 plus 38 equals 80.

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What plus 38 equals 81?
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