48 plus what equals 54?

This is how to calculate "48 plus what equals 54?" In other words, 48 plus a number equals 54. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

48 + what = 54

To solve this equation, we first add -48 to each side of the equal sign like this:

48 - 48 + what = 54 - 48

Then, we do the calculation to get the answer to "48 plus what equals 54?" as follows:

What = 6

The answer to "48 plus what equals 54?" is 6. You know this answer is correct because 48 plus 6 equals 54.

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48 plus what equals 55?
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