If the average of 1, 2, 4, 5, 6, 9, 9, 10…

If the average of 1, 2, 4, 5, 6, 9, 9, 10, 12 and x is 7, what is the value of x?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #69835