The steps below show the incomplete solution to find the value of n for the equation 4n – 2n + 4 = –1 + 17:

step 1: 4n – 2n + 4 = –1 + 17

step 2: 4n – 2n + 4 = 16

step 3: 2n + 4 = 16

which of these is most likely the next step? (5 points)

2n = 12
2n = 4
2n = 8
2n = 20
6.
what is the value of z in the equation 2(4z – 9 – 7) = 166 – 46? (5 points)

19
21
26
34