What plus 4 equals 66?

This is how to calculate "What plus 4 equals 66?" In other words, what do you add to 4 to get 66? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 4 = 66

To solve this equation, we first add -4 to each side of the equal sign like this:

What + 4 - 4 = 66 - 4

Then, we do the calculation to get the answer to "What plus 4 equals 66?" as follows:

What = 62

The answer to "What plus 4 equals 66?" is 62. You know this answer is correct because 62 plus 4 equals 66.

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What plus 4 equals 67?
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