69 plus what equals 1?

This is how to calculate "69 plus what equals 1?" In other words, 69 plus a number equals 1. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

69 + what = 1

To solve this equation, we first add -69 to each side of the equal sign like this:

69 - 69 + what = 1 - 69

Then, we do the calculation to get the answer to "69 plus what equals 1?" as follows:

What = -68

The answer to "69 plus what equals 1?" is -68. You know this answer is correct because 69 plus -68 equals 1.

Plus What Equals Calculator
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