64 plus what equals 73?

This is how to calculate "64 plus what equals 73?" In other words, 64 plus a number equals 73. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

64 + what = 73

To solve this equation, we first add -64 to each side of the equal sign like this:

64 - 64 + what = 73 - 64

Then, we do the calculation to get the answer to "64 plus what equals 73?" as follows:

What = 9

The answer to "64 plus what equals 73?" is 9. You know this answer is correct because 64 plus 9 equals 73.

Plus What Equals Calculator
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64 plus what equals 74?
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