Ireally need solving these two problems    122 > 7(z + 8) – 5(6 + z) 2(–2x – 4) + 6 = 5 – 3(x + 1)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible