Determining the Value of x

Medium Data Sufficiency Analyzing Information

What is the value of $x$?

Statement (1): The sum of $x$ and 5 is equal to 15.

Statement (2): The product of $x$ and 3 is equal to 21.

Statement (1) alone is sufficient, but statement (2) alone is not sufficient.

Statement (2) alone is sufficient, but statement (1) alone is not sufficient.

Both statements (1) and (2) together are sufficient, but neither statement alone is sufficient.

Each statement alone is sufficient.

Statements (1) and (2) together are not sufficient.

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% Correct51%