7 = 12, 20 = 38, 2 = 2, 10 = ?

This seems to be a pattern recognition problem. Let's analyze the equations one by one: 1. From 7 = 12, we can see that 12 is obtained by adding 5 to 7. 2. From 20 = 38, we can see that 38 is obtained by adding 18 to 20. 3. From 2 = 2, there is no change, meaning that here we can consider it as adding 0. We can hypothesize that the pattern involves adding some amount that may relate to the input number. Now for 10, let's look for a consistent operation based on the patterns identified: - If we add the values like before (though the increments don't follow a straightforward rule), the missing output for 10 is rather unclear. - However, if we take a simpler approach, adding 2 to 10 gives us 12, and we see some numbers are skipping jumps and are consistent. Without more clarity on how the transformations were derived, one could try to hypothesize an answer. Since we observed a basic operation yielding 2 as its output and extrapolating rates does not seem to offer a helpful solution here, I’d take a moderate skip by calculating that 10 might output 20 on a reaching value. Therefore, I would conclude: 10 = 20. This established only relates to other transformations to label these forward. But if the pattern is tricky, there might need to be more rules established!