29 plus what equals 86?

This is how to calculate "29 plus what equals 86?" In other words, 29 plus a number equals 86. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

29 + what = 86

To solve this equation, we first add -29 to each side of the equal sign like this:

29 - 29 + what = 86 - 29

Then, we do the calculation to get the answer to "29 plus what equals 86?" as follows:

What = 57

The answer to "29 plus what equals 86?" is 57. You know this answer is correct because 29 plus 57 equals 86.

Plus What Equals Calculator
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29 plus what equals 87?
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