The line parameterized by
\[\mathbf{v} = \begin{pmatrix} 1 + t \\ 3t \\ 1 - t \end{pmatrix}\]lies in a plane of the form $x + y + cz = d.$  Enter the ordered pair $(c,d).$
<|im_start|>system
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<|im_start|>user
The line parameterized by
\[\mathbf{v} = \begin{pmatrix} 1 + t \\ 3t \\ 1 - t \end{pmatrix}\]lies in a plane of the form $x + y + cz = d.$  Enter the ordered pair $(c,d).$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
(4,5)
The line parameterized by
\[\mathbf{v} = \begin{pmatrix} 1 + t \\ 3t \\ 1 - t \end{pmatrix}\]lies in a plane of the form $x + y + cz = d.$  Enter the ordered pair $(c,d).$
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