What plus 8 equals 80?

This is how to calculate "What plus 8 equals 80?" In other words, what do you add to 8 to get 80? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 8 = 80

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

What + 8 - 8 = 80 - 8

Then, we do the calculation to get the answer to "What plus 8 equals 80?" as follows:

What = 72

The answer to "What plus 8 equals 80?" is 72. You know this answer is correct because 72 plus 8 equals 80.

What Plus Calculator
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What plus 8 equals 81?
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