4n is multiplied by 4n.
4n -14 = 22 4n = 22+14 4n = 36 n = 9
4 + 4n - 12 = 4n - 8
4n + 3 = 15 4n +3 - 3 = 15 - 3 4n = 12 4n/4 = 12/4 n = 3
4n-32 = -28
28-4n = 24
4n-2 = 2
4n -64 = -60
4n-1 = 3
70-4n = 66
4n -32 = -28
4n-8=3n+2 4n=3n+2+8 4n=3n+10 4n-3n+10 n=10 N = 10