What plus 2/3 equals 4/7?
Here we will show you how to calculate "what" in this sentence: "What plus 2/3 equals 4/7?" We start by making this word problem into an algebraic equation where "what" is the variable "x".
x + 2/3 = 4/7
To solve this equation, we want x alone on the left side of the equation so we start by subtracting 2/3 on both sides like this:
x + 2/3 - 2/3 = 4/7 - 2/3
x + 2/3 - 2/3 leaves x and 4/7 - 2/3 is -2/21 which means we end up with x = -2/21. Therefore, the answer to "What plus 2/3 equals 4/7?" is as follows:
-2/21
It is always good to double-check your math to make sure you did it right. When we entered -2/21 for x in this equation x + 2/3 = 4/7, we get the following true equation which means our math is correct.
-2/21 + 2/3 = 4/7
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