What minus 3/9 equals 5/7?

Here we will show you how to calculate "what" in this sentence: "What minus 3/9 equals 5/7?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x - 3/9 = 5/7

To solve this equation, we want x alone on the left side of the equation so we start by adding 3/9 on both sides like this:

x - 3/9 + 3/9 = 5/7 + 3/9

x - 3/9 + 3/9 leaves x and 5/7 + 3/9 is 1 1/21 which means we end up with x = 1 1/21. Therefore, the answer to "What minus 3/9 equals 5/7?" is as follows:

1 1/21

It is always good to double-check your math to make sure you did it right. When we entered 1 1/21 for x in this equation x - 3/9 = 5/7, we get the following true equation which means our math is correct.

1 1/21 - 3/9 = 5/7

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