The first "?" is 6. It is because you get from 32 to 20 by subtracting 12 from 32. Same for 14 to 2. You subtract 12 from 14 to get 2. So, what do you subtract from 12 to get to -6? You would just add 12 to -6, which is 6.
The second "?" is -22. It'd the same reasoning. -10 minus 12 is -22.