17 plus what equals 19?

This is how to calculate "17 plus what equals 19?" In other words, 17 plus a number equals 19. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

17 + what = 19

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

17 - 17 + what = 19 - 17

Then, we do the calculation to get the answer to "17 plus what equals 19?" as follows:

What = 2

The answer to "17 plus what equals 19?" is 2. You know this answer is correct because 17 plus 2 equals 19.

Plus What Equals Calculator
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17 plus what equals 20?
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