The radius of a circle is $x+6$ and its diameter is $3x+5$. What is the circumference of the circle, in terms of $\pi$? (Do not include the variable $x$ in your answer.)
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The radius of a circle is $x+6$ and its diameter is $3x+5$. What is the circumference of the circle, in terms of $\pi$? (Do not include the variable $x$ in your answer.)
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
26\pi
The radius of a circle is $x+6$ and its diameter is $3x+5$. What is the circumference of the circle, in terms of $\pi$? (Do not include the variable $x$ in your answer.)
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