a. 5x > 15 b. 2x < 14 c. 3x < 27 d. 9x <81 e. 20x >100 Complete it plzz

a=5×15=75
b=2×14=28
c=3×27=81
d=9×81=729
e=20×100=2000
baru ditambah semua:2.931

Bab Pertidaksamaan
Matematika SMP Kelas VIII

a] 5x > 15
    x > 15/5
    x > 3

    HP = { 4, 5, 6, 7, .... }

b] 2x < 14
    x < 14/2
    x < 7

   HP = { ...., 3, 4, 5, 6 }

c] 3x < 27
    x < 27/3
    x < 9

   HP = { ..., 5, 6, 7, 8 }

d] 9x < 81
    x < 81/9
    x < 9

   HP = { ...., 5, 6, 7, 8 }

e] 20x > 100
    x > 100/20
    x > 5

   HP = { 6, 7, 8, 9, .... }