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What is 15 9 plus 3n?

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2013-03-04 02:40:18

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 02:40:18
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