If the average (arithmetic mean) of (2a+16) and (3a-8) is 84, what…

If the average (arithmetic mean) of (2a+16) and (3a-8) is 84, what is the value of a?

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

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #267

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