What plus 4 equals 70?

This is how to calculate "What plus 4 equals 70?" In other words, what do you add to 4 to get 70? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 4 = 70

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

What + 4 - 4 = 70 - 4

Then, we do the calculation to get the answer to "What plus 4 equals 70?" as follows:

What = 66

The answer to "What plus 4 equals 70?" is 66. You know this answer is correct because 66 plus 4 equals 70.

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What plus 4 equals 71?
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