SOLUTION: 6n+4n-n+5=23

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Question 513872: 6n+4n-n+5=23
Answer by umail08(87) About Me  (Show Source):
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6n+4n-n+5=23
9n + 5 = 23
9n + 5 – 5 = 23 – 5
9n = 18
9n/9 = 18/9
n = 2