1/3 plus what equals 7/3?

Here we will show you how to calculate "what" in this sentence: "1/3 plus what equals 7/3?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

1/3 + x = 7/3

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

1/3 - 1/3 + x = 7/3 - 1/3

1/3 - 1/3 + x leaves x and 7/3 - 1/3 is 2 which means we end up with x = 2. Therefore, the answer to "1/3 plus what equals 7/3?" is as follows:

2

It is always good to double-check your math to make sure you did it right. When we entered 2 for x in this equation 1/3 + x = 7/3, we get the following true equation which means our math is correct.

1/3 + 2 = 7/3

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