If $x$ is a positive number, by how much does $x+10$ exceed $10-x$? Express your answer in terms of $x$.
Question:
If $x$ is a positive number, by how much does $x+10$ exceed $10-x$? Express your answer in terms of $x$.
Answer:
Let's think step by step.

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2x
If $x$ is a positive number, by how much does $x+10$ exceed $10-x$? Express your answer in terms of $x$.
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