5 plus what equals 87?

This is how to calculate "5 plus what equals 87?" In other words, 5 plus a number equals 87. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

5 + what = 87

To solve this equation, we first add -5 to each side of the equal sign like this:

5 - 5 + what = 87 - 5

Then, we do the calculation to get the answer to "5 plus what equals 87?" as follows:

What = 82

The answer to "5 plus what equals 87?" is 82. You know this answer is correct because 5 plus 82 equals 87.

Plus What Equals Calculator
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5 plus what equals 88?
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