6n + 5n is 11n.
I assume that you mean n = 3 6n + 4 = 6(3) + 4 = 18 + 4 = 22
This question as written can be taken two ways: 9m + 6n - 3m + 7n = 6m + 13n, or (9m + 6n) - (3m + 7n) = 9m + 6n - 3m - 7n = 6m - n
7n + 1 = 6n + 8 7n=6n+7 (minus 1 from each side) n=7 (7n-6n equals n, you are left with n=7)
6n
The GCF is 6.
factor by grouping 7m(m-2)+6n(2-m)
(m - 3n)(m + 3n - 2)
(m - 3n)(m + 3n - 2)
3(3n - 1)(n + 1)
6n + 5n is 11n.
6n2 + 16n can be factorised to give 2n(3n + 8) so the highest factor is 2n.
2(n2+3n-54) 2(n+9)(n-6)
n^2(n + 6)(n^2 - 6n + 36)
5mn + 6n - 14
6n = 12 n = 2
I assume that you mean n = 3 6n + 4 = 6(3) + 4 = 18 + 4 = 22