1) 11a = 1,87a = 1,87/11a ≈ 0,17
2) 4z = 5,12z = 5,12/4z = 1,28
3) 7t + 3,18 = 25,37t = 25,3 - 3,187t = 22,12t = 22,12/7t ≈ 3,16
1) 11a = 1,87
a = 1,87/11
a ≈ 0,17
2) 4z = 5,12
z = 5,12/4
z = 1,28
3) 7t + 3,18 = 25,3
7t = 25,3 - 3,18
7t = 22,12
t = 22,12/7
t ≈ 3,16