3/1 minus what equals 4/2?

Here we will show you how to calculate "what" in this sentence: "3/1 minus what equals 4/2?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

3/1 - x = 4/2

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 3/1 on both sides like this:

3/1 - 3/1 - x = 4/2 - 3/1

3/1 - 3/1 - x leaves -x and 4/2 - 3/1 is -1 which means we end up with -x = -1. Then, you multiply each side by -1 to get x = 1. Therefore, the answer to "3/1 minus what equals 4/2?" is as follows:

1

It is always good to double-check your math to make sure you did it right. When we entered 1 for x in this equation 3/1 - x = 4/2, we get the following true equation which means our math is correct.

3/1 - 1 = 4/2

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