3n = 15 + 12 = 27, 27/3 = 9 = n
n = -6
3n + 6 = n + 202n = 14n = 7
3 + 3n = 9 + 2n + 4n n = -2
n=-9.6
3n = 15 + 12 = 27, 27/3 = 9 = n
n = -6
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
3n + 6 = n + 202n = 14n = 7
15-3n=n-1
3 + 3n = 9 + 2n + 4n n = -2
When n = 4, 3n = 3*4 = 12
n=-9.6
10n+2
4n + 3y
4n
-33