If a certain number is multiplied by five, the result is the  same as twenty-one plus twice the original number.  What is the value of the original number?
Question:
If a certain number is multiplied by five, the result is the  same as twenty-one plus twice the original number.  What is the value of the original number?
Answer:
Let's think step by step.

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If a certain number is multiplied by five, the result is the  same as twenty-one plus twice the original number.  What is the value of the original number?
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