What plus 35 equals 90?

This is how to calculate "What plus 35 equals 90?" In other words, what do you add to 35 to get 90? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 35 = 90

To solve this equation, we first add -35 to each side of the equal sign like this:

What + 35 - 35 = 90 - 35

Then, we do the calculation to get the answer to "What plus 35 equals 90?" as follows:

What = 55

The answer to "What plus 35 equals 90?" is 55. You know this answer is correct because 55 plus 35 equals 90.

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What plus 35 equals 91?
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