Which of the following is a simplified version of 12 - 2 (x + 1) = 5

-2x + 10 = 5
-2x + 13 = 5
10x + 1 = 5
10x + 10 = 5

The simplified version of 12 - 2(x + 1) = 5 is -2x + 10 = 5.