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Anonymous
Watch carefully:
2N = 8
Divide each side of the equation by 2:
N = 4
Wiki User
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If 'n' is 8, then (2n - 7) is 9 .
2n + 8 = -142n = -22n = -11
2(4) = 8
if you mean 2n=8, then N=4, which translate to 2x4=8
Nonsense.