82 plus what equals 18?

This is how to calculate "82 plus what equals 18?" In other words, 82 plus a number equals 18. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

82 + what = 18

To solve this equation, we first add -82 to each side of the equal sign like this:

82 - 82 + what = 18 - 82

Then, we do the calculation to get the answer to "82 plus what equals 18?" as follows:

What = -64

The answer to "82 plus what equals 18?" is -64. You know this answer is correct because 82 plus -64 equals 18.

Plus What Equals Calculator
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