What plus 5 equals 89?

This is how to calculate "What plus 5 equals 89?" In other words, what do you add to 5 to get 89? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 5 = 89

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

What + 5 - 5 = 89 - 5

Then, we do the calculation to get the answer to "What plus 5 equals 89?" as follows:

What = 84

The answer to "What plus 5 equals 89?" is 84. You know this answer is correct because 84 plus 5 equals 89.

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What plus 5 equals 90?
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