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3n+3=n+7

3n+3-n=n+7-n (subtract n from both sides)

2n+3=7

2n+3-3=7-3 (subtract 3 from both sides )

2n=4

2n/2=4/2 (divided by 2 on both the sides)

n=2

Answer: n=2

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โˆ™ 2011-01-28 20:12:31
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Q: What is 3n plus 3 equals n plus 7?
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