1 plus what equals 23?

This is how to calculate "1 plus what equals 23?" In other words, 1 plus a number equals 23. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

1 + what = 23

To solve this equation, we first add -1 to each side of the equal sign like this:

1 - 1 + what = 23 - 1

Then, we do the calculation to get the answer to "1 plus what equals 23?" as follows:

What = 22

The answer to "1 plus what equals 23?" is 22. You know this answer is correct because 1 plus 22 equals 23.

Plus What Equals Calculator
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1 plus what equals 24?
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