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Can some one help me? Please!

Can some one help me? Please!-example-1
User Purgoufr
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2 Answers

4 votes

(1)/(3)(n+3)=6 \\ (1)/(3)n+1=6 \\ -1\ \ \ \ -1 \\ (1)/(3)n=5 \\ n=\boxed{15}
User ZK Zhao
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2 votes

(1)/(3)(n+3)=6\\ n+3=18\\ n=15 \Rightarrow C
User Sayan Dasgupta
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