Give all solutions of the system of congruences:
$$x \equiv 3 \pmod 5 $$ $$x \equiv 2 \pmod 4$$ $$x \equiv 5 \pmod 7$$
Then give the least strictly positive solution.
Give all solutions of the system of congruences:
$$x \equiv 3 \pmod 5 $$ $$x \equiv 2 \pmod 4$$ $$x \equiv 5 \pmod 7$$
Then give the least strictly positive solution.