1) (16a - 24) / 6 = 122.67a - 4 = 122.67a = 16a = 16 / 2.67a ≈ 5.99
2) 3a / 4 = 153a = 60a = 60 / 3a = 20
1) (16a - 24) / 6 = 12
2.67a - 4 = 12
2.67a = 16
a = 16 / 2.67
a ≈ 5.99
2) 3a / 4 = 15
3a = 60
a = 60 / 3
a = 20