77 plus what equals 75?

This is how to calculate "77 plus what equals 75?" In other words, 77 plus a number equals 75. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

77 + what = 75

To solve this equation, we first add -77 to each side of the equal sign like this:

77 - 77 + what = 75 - 77

Then, we do the calculation to get the answer to "77 plus what equals 75?" as follows:

What = -2

The answer to "77 plus what equals 75?" is -2. You know this answer is correct because 77 plus -2 equals 75.

Plus What Equals Calculator
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