It is: 16n
6n + 5n is 11n.
16n
-6n + 2 - 5n = -9Combine like terms:-11n + 2 = -9Subtract 2 from each side:-11n = -11Divide both sides by -1:n = 1
5n + 3 = 14 - 6n <=> 5n +6n = 14 - 3 <=> 11n = 11 => n = 11/11 = 1
3m + 11n = 3
6n
it equals -4n
5n+4=0 5n=-4 n= -4/5
5n - 4 = 10n + 6-5n = 10n = -2
6m + 5n - 4m + 7n = 2m + 12n
5n+6=(-4) n= (-2)
9 - 5n