Solve x−3≡4(mod9)x - 3 \equiv 4 \pmod 9x−3≡4(mod9).
x≡1(mod9)x \equiv 1 \pmod 9x≡1(mod9)
x≡7(mod9)x \equiv 7 \pmod 9x≡7(mod9)
x≡3(mod9)x \equiv 3 \pmod 9x≡3(mod9)
x≡0(mod9)x \equiv 0 \pmod 9x≡0(mod9)