45 plus what equals 47?

This is how to calculate "45 plus what equals 47?" In other words, 45 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:

45 + what = 47

To solve this equation, we first add -45 to each side of the equal sign like this:

45 - 45 + what = 47 - 45

Then, we do the calculation to get the answer to "45 plus what equals 47?" as follows:

What = 2

The answer to "45 plus what equals 47?" is 2. You know this answer is correct because 45 plus 2 equals 47.

Plus What Equals Calculator
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