Subtract 2n from each side: 3n - 9 = 6
Add 9 to each side: 3n = 15
Divide both sides by 3: n = 5
Therefore, n = 5
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That factors to (2n + 1)(n + 2)
first combine like terms and 5n+7=-41 add -7 to both sides 5n=-48 n=-48/5
5n + 6n - 2n
5n + 12 = 3n Try to get all expressions with n on the left side 5n + 12 - 3n = 3n - 3n 2n + 12 = 0 Try to get rid of 12 on the left side 2n + 12 - 12 = -12 2n = -12 n = -12/2 = -6
n - 16 = 2n + 12 + 3nCombine the 'n' terms on the right side:n - 16 = 5n + 12Subtract 'n' from each side:-16 = 4n + 12Subtract 12 from each side:-28 = 4nDivide each side by 4:-7 = n