+26367 Find the least positive integer x that satisfies x+4609 == 2104 mod(12).
\(\begin{array}{|rcll|} \hline x+4609 &\equiv& 2104 \pmod{12} \quad & | \quad 4609 \equiv 1 \pmod{12} \quad 2104 \equiv 4 \pmod{12} \\ x+1 &\equiv& 4 \pmod{12} \quad & | \quad -1 \\ \mathbf{x} & \mathbf{\equiv} & \mathbf{3 \pmod{12}} \\ \hline \end{array}\)
