85 plus what equals 34?

This is how to calculate "85 plus what equals 34?" In other words, 85 plus a number equals 34. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

85 + what = 34

To solve this equation, we first add -85 to each side of the equal sign like this:

85 - 85 + what = 34 - 85

Then, we do the calculation to get the answer to "85 plus what equals 34?" as follows:

What = -51

The answer to "85 plus what equals 34?" is -51. You know this answer is correct because 85 plus -51 equals 34.

Plus What Equals Calculator
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