Given the equation 8x−3y=2x+9y, which of the following statements is correct?

There are four variables.
There are four variables.

8 is the only factor of 8x.
8 is the only factor of 8 x .

8, −3, 2, and 9 are constants.
8, negative 3 , 2, and 9 are constants.

8, −3, 2, and 9 are coefficients.
8, negative 3 , 2, and 9 are coefficients.

The statement "8, −3, 2, and 9 are coefficients" is correct.

The correct statement is:

8, −3, 2, and 9 are coefficients.