Find a number $n$, with $0 \leq n < 15$, so that $6 \times 7$ is congruent to $n$ modulo $15$
Please explain your work.
2026-04-06 23:53:58.1775519638
Simple modulo congruence operation
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$6 \times 7 = 42 = 12 + 30 \equiv 12 \pmod{15}$