What is the result of combining 6x - 2x + 4?

• A. 4x + 4
• B. 2x + 4
• C. 8x + 4
• D. 6x + 4

Answer: (B)

To combine the terms in the expression 6x - 2x + 4, one needs to focus on the like terms. In this case, the like terms are the ones that contain the variable x, which are 6x and -2x.

First, add the coefficients of the like terms: 6 (from 6x) and -2 (from -2x). Performing this operation gives:

6 - 2 = 4.

This means that the combined term for the variable x is 4x.

Next, since there are no like terms for the constant, which is 4, you simply keep this term as it is. Therefore, you end up with:

4x + 4.

This combines the results of combining the like terms with the constant term correctly. Other options would not maintain the correct relationship between the variables and the coefficients after simplification.