152- If $(221, 357) = 357y + 221x$ holds, what is the number of natural two-digit values of $x$? (1) $4$ (2) $5$ (3) $6$ (4) $7$
\textbf{152-} If $(221, 357) = 357y + 221x$ holds, what is the number of natural two-digit values of $x$?
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(1) $4$ \hspace{2cm} (2) $5$ \hspace{2cm} (3) $6$ \hspace{2cm} (4) $7$
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