25 plus what equals 29?

This is how to calculate "25 plus what equals 29?" In other words, 25 plus a number equals 29. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

25 + what = 29

To solve this equation, we first add -25 to each side of the equal sign like this:

25 - 25 + what = 29 - 25

Then, we do the calculation to get the answer to "25 plus what equals 29?" as follows:

What = 4

The answer to "25 plus what equals 29?" is 4. You know this answer is correct because 25 plus 4 equals 29.

Plus What Equals Calculator
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25 plus what equals 30?
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