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MATH / What is the sum of the smallest and second-smallest positive integers a satisfying the congruence 27aequiv 17 pmod{40}~?

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problem

What is the sum of the smallest and second-smallest positive integers aa satisfying the congruence $$27a\equiv 17 \pmod{40}~?$$
Plain-text mathematical notation (without MathML)
What is the sum of the smallest and second-smallest positive integers a satisfying the congruence $$27a\equiv 17 \pmod{40}~?$$
Original LaTeX notation
What is the sum of the smallest and second-smallest positive integers $a$ satisfying the congruence $$27a\equiv 17 \pmod{40}~?$$

level

Level 5

type

Number Theory

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