What plus 36 equals 57?

This is how to calculate "What plus 36 equals 57?" In other words, what do you add to 36 to get 57? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 36 = 57

To solve this equation, we first add -36 to each side of the equal sign like this:

What + 36 - 36 = 57 - 36

Then, we do the calculation to get the answer to "What plus 36 equals 57?" as follows:

What = 21

The answer to "What plus 36 equals 57?" is 21. You know this answer is correct because 21 plus 36 equals 57.

What Plus Calculator
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