26 plus what equals 13?

This is how to calculate "26 plus what equals 13?" In other words, 26 plus a number equals 13. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

26 + what = 13

To solve this equation, we first add -26 to each side of the equal sign like this:

26 - 26 + what = 13 - 26

Then, we do the calculation to get the answer to "26 plus what equals 13?" as follows:

What = -13

The answer to "26 plus what equals 13?" is -13. You know this answer is correct because 26 plus -13 equals 13.

Plus What Equals Calculator
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