87 plus what equals 37?

This is how to calculate "87 plus what equals 37?" In other words, 87 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:

87 + what = 37

To solve this equation, we first add -87 to each side of the equal sign like this:

87 - 87 + what = 37 - 87

Then, we do the calculation to get the answer to "87 plus what equals 37?" as follows:

What = -50

The answer to "87 plus what equals 37?" is -50. You know this answer is correct because 87 plus -50 equals 37.

Plus What Equals Calculator
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87 plus what equals 38?
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