8/7 minus what equals 9/2?

Here we will show you how to calculate "what" in this sentence: "8/7 minus what equals 9/2?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

8/7 - x = 9/2

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 8/7 on both sides like this:

8/7 - 8/7 - x = 9/2 - 8/7

8/7 - 8/7 - x leaves -x and 9/2 - 8/7 is 3 5/14 which means we end up with -x = 3 5/14. Then, you multiply each side by -1 to get x = -3 5/14. Therefore, the answer to "8/7 minus what equals 9/2?" is as follows:

-3 5/14

It is always good to double-check your math to make sure you did it right. When we entered -3 5/14 for x in this equation 8/7 - x = 9/2, we get the following true equation which means our math is correct.

8/7 - -3 5/14 = 9/2

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