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Andrew is 17 years old, which is 3 years more than twice as old as his sister. Andrew's sister is a years old. Which value of a makes the equation 17 = 2a + 3 true?
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Andrew is 17 years old, which is 3 years more than twice as old as his sister. Andrew's sister is a years old. Which value of a makes the equation 17 = 2a + 3 true?

User Dmle
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2 Answers

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Yes it is true A will equal 14
User Syperus
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3 votes
The answer would be 7 years
User Farida
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