90 plus what equals 37?

This is how to calculate "90 plus what equals 37?" In other words, 90 plus a number equals 37. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

90 + what = 37

To solve this equation, we first add -90 to each side of the equal sign like this:

90 - 90 + what = 37 - 90

Then, we do the calculation to get the answer to "90 plus what equals 37?" as follows:

What = -53

The answer to "90 plus what equals 37?" is -53. You know this answer is correct because 90 plus -53 equals 37.

Plus What Equals Calculator
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90 plus what equals 38?
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