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Anonymous
4n - 2n = 18
Therefore, 2n = 18
Therefore, n = 18/2 = 9
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2n+2n equals 4n
4n
6n -3=2n+9 6n-2n=9+3 4n=12 n=12/4 n=3
(4n + 1)*(2n + 6) = 8n2 + 26n + 6
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