8 plus what equals 72?




This is how to calculate "8 plus what equals 72?" In other words, 8 plus a number equals 72. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

8 + what = 72

To solve this equation, we first add -8 to each side of the equal sign like this:

8 - 8 + what = 72 - 8

Then, we do the calculation to get the answer to "8 plus what equals 72?" as follows:

What = 64


The answer to "8 plus what equals 72?" is 64. You know this answer is correct because 8 plus 64 equals 72.

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8 plus what equals 73?
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