6n + 48
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 + 5n is 11n.
5mn + 6n - 14
14
6n = 12 n = 2
I assume that you mean n = 3 6n + 4 = 6(3) + 4 = 18 + 4 = 22
-5=6n+7 -5-7=6n+7-7 -12=6n -12/6=6n/6 -2=n
15/6n + 6/6n = 21/6n = 7/2n
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
It is two more than six times a given number.
12m + 9n - 4 - 10m + 6n = 2m + 15n - 4
6n - 4 - 3 = 3n + 10 + 4n -7 = 7n - 6n + 10 -17 = n