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Anonymous
5n + 7 = -41
5n = -48
n = -48/5
n = -9.6
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n=-9.6
If n = 7, then 5n + 4 = 5 x 7 + 4 = 39.
(5n + 1)(n + 7)
A - B = -3n + 2 - (5n - 7) = -3n + 2 - 5n + 7 = 9 - 8n
It is 41/7 times 7 equals 41