98 plus what equals 13?

This is how to calculate "98 plus what equals 13?" In other words, 98 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:

98 + what = 13

To solve this equation, we first add -98 to each side of the equal sign like this:

98 - 98 + what = 13 - 98

Then, we do the calculation to get the answer to "98 plus what equals 13?" as follows:

What = -85

The answer to "98 plus what equals 13?" is -85. You know this answer is correct because 98 plus -85 equals 13.

Plus What Equals Calculator
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