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Best Answer
Assume the expression is:
15 = 9 + 3n
Subtract both sides by 9 to get:
15 - 9 = 9 - 9 + 3n
6 = 3n
Finally, divide both sides by 3 to get:
6/3 = 3n/3
n = 2
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∙ 2013-03-04 02:40:18This answer is:
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