17 plus what equals 26?

This is how to calculate "17 plus what equals 26?" In other words, 17 plus a number equals 26. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

17 + what = 26

To solve this equation, we first add -17 to each side of the equal sign like this:

17 - 17 + what = 26 - 17

Then, we do the calculation to get the answer to "17 plus what equals 26?" as follows:

What = 9

The answer to "17 plus what equals 26?" is 9. You know this answer is correct because 17 plus 9 equals 26.

Plus What Equals Calculator
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17 plus what equals 27?
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