
This is how to calculate "27 plus what equals 4?" In other words, 27 plus a number equals 4. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:
27 + what = 4
To solve this equation, we first add -27 to each side of the equal sign like this:
27 - 27 + what = 4 - 27
Then, we do the calculation to get the answer to "27 plus what equals 4?" as follows:
What = -23
The answer to "27 plus what equals 4?" is -23. You know this answer is correct because 27 plus -23 equals 4.
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Do you think you can solve a similar problem on your own? Try to figure out the next problem on our list and then go here to check the answer.
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