30 plus what equals 97?

This is how to calculate "30 plus what equals 97?" In other words, 30 plus a number equals 97. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

30 + what = 97

To solve this equation, we first add -30 to each side of the equal sign like this:

30 - 30 + what = 97 - 30

Then, we do the calculation to get the answer to "30 plus what equals 97?" as follows:

What = 67

The answer to "30 plus what equals 97?" is 67. You know this answer is correct because 30 plus 67 equals 97.

Plus What Equals Calculator
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30 plus what equals 98?
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