79 plus what equals 43?

This is how to calculate "79 plus what equals 43?" In other words, 79 plus a number equals 43. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

79 + what = 43

To solve this equation, we first add -79 to each side of the equal sign like this:

79 - 79 + what = 43 - 79

Then, we do the calculation to get the answer to "79 plus what equals 43?" as follows:

What = -36

The answer to "79 plus what equals 43?" is -36. You know this answer is correct because 79 plus -36 equals 43.

Plus What Equals Calculator
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79 plus what equals 44?
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