17 plus what equals 47?

This is how to calculate "17 plus what equals 47?" In other words, 17 plus a number equals 47. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

17 + what = 47

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

17 - 17 + what = 47 - 17

Then, we do the calculation to get the answer to "17 plus what equals 47?" as follows:

What = 30

The answer to "17 plus what equals 47?" is 30. You know this answer is correct because 17 plus 30 equals 47.

Plus What Equals Calculator
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