What plus 5 equals 84?

This is how to calculate "What plus 5 equals 84?" In other words, what do you add to 5 to get 84? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 5 = 84

To solve this equation, we first add -5 to each side of the equal sign like this:

What + 5 - 5 = 84 - 5

Then, we do the calculation to get the answer to "What plus 5 equals 84?" as follows:

What = 79

The answer to "What plus 5 equals 84?" is 79. You know this answer is correct because 79 plus 5 equals 84.

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What plus 5 equals 85?
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