SOLUTION: What is the equation of Charlie's sister 3 less than 3 times Charlie's age, c. If Charlie's sister is 9 years old, how old is Charlie?

SOLUTION: What is the equation of Charlie's sister 3 less than 3 times Charlie's age, c. If Charlie's sister is 9 years old, how old is Charlie?

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Question 999268: What is the equation of Charlie's sister 3 less than 3 times Charlie's age, c. If Charlie's sister is 9 years old, how old is Charlie?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
s, the sister
c, charles

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