Determine the number of integers $x$ such that $0\le x< 12$ and $x$ satisfies the following system of equations: \begin{align*}
&x-1\equiv 1-x\pmod {12},\\
&x-2\equiv 2-x\pmod{12}.
\end{align*}
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Determine the number of integers $x$ such that $0\le x< 12$ and $x$ satisfies the following system of equations: \begin{align*}
&x-1\equiv 1-x\pmod {12},\\
&x-2\equiv 2-x\pmod{12}.
\end{align*}
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
0
Determine the number of integers $x$ such that $0\le x< 12$ and $x$ satisfies the following system of equations: \begin{align*}
&x-1\equiv 1-x\pmod {12},\\
&x-2\equiv 2-x\pmod{12}.
\end{align*}
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