34 plus what equals 12?

This is how to calculate "34 plus what equals 12?" In other words, 34 plus a number equals 12. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

34 + what = 12

To solve this equation, we first add -34 to each side of the equal sign like this:

34 - 34 + what = 12 - 34

Then, we do the calculation to get the answer to "34 plus what equals 12?" as follows:

What = -22

The answer to "34 plus what equals 12?" is -22. You know this answer is correct because 34 plus -22 equals 12.

Plus What Equals Calculator
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