1/2 minus what equals 4/7?

Here we will show you how to calculate "what" in this sentence: "1/2 minus what equals 4/7?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

1/2 - x = 4/7

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 1/2 on both sides like this:

1/2 - 1/2 - x = 4/7 - 1/2

1/2 - 1/2 - x leaves -x and 4/7 - 1/2 is 1/14 which means we end up with -x = 1/14. Then, you multiply each side by -1 to get x = -1/14. Therefore, the answer to "1/2 minus what equals 4/7?" is as follows:

-1/14

It is always good to double-check your math to make sure you did it right. When we entered -1/14 for x in this equation 1/2 - x = 4/7, we get the following true equation which means our math is correct.

1/2 - -1/14 = 4/7

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