To simplify the expression \( 6 - -2 \), we need to remember that subtracting a negative number is the same as adding a positive number. Therefore:
\[ 6 - -2 = 6 + 2 = 8 \]
Now let's review the options provided:
A. \( 6 + 2 \)
B. \( -6 - 2 \)
C. \( -6 + 2 \)
D. \( 6 - 2 \)
Since we found \( 6 - -2 = 8 \) and \( 6 + 2 = 8 \), the equivalent expression is:
A. \( 6 + 2 \).