73 plus what equals 39?

This is how to calculate "73 plus what equals 39?" In other words, 73 plus a number equals 39. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

73 + what = 39

To solve this equation, we first add -73 to each side of the equal sign like this:

73 - 73 + what = 39 - 73

Then, we do the calculation to get the answer to "73 plus what equals 39?" as follows:

What = -34

The answer to "73 plus what equals 39?" is -34. You know this answer is correct because 73 plus -34 equals 39.

Plus What Equals Calculator
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