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Julio Feferman · Answer 1 · 2015-11-28T00:28:04+0000

1. You must subtract both sides by 1/4n to end up with 2/4n-18=-4

2.Then you add 18 to both sides to end up with 2/4n=14

3. Now you multiply both sides by 2/4 , aka 1/2 to get n by itself, and you will end up with n=7

n=7 is your answer!

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