54 plus what equals 3?

This is how to calculate "54 plus what equals 3?" In other words, 54 plus a number equals 3. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

54 + what = 3

To solve this equation, we first add -54 to each side of the equal sign like this:

54 - 54 + what = 3 - 54

Then, we do the calculation to get the answer to "54 plus what equals 3?" as follows:

What = -51

The answer to "54 plus what equals 3?" is -51. You know this answer is correct because 54 plus -51 equals 3.

Plus What Equals Calculator
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