If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
Question:
If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
Answer:
Let's think step by step.

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If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
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