Lemma
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AQuA-RAT train #14710 · Number Theory · Digits

A two-digit number is seven times the sum of its digits

A two-digit number is seven times the sum of its digits. If each digit is increased by 2, the number thus obtained is 4 more than six times the sum of its digits. Find the number.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #14710

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