Odpowiedź :
8x + 3 = 43|-3
8x = 40|:8
x = 5
5s - 9 = -6|+9
5s = 3|:5
s = 0,6
7 - 2x = 15|-7
-2x = 8|:(-2)
x = -4
6k + 3 = 33|-3
6k = 30|:6
k = 5
8x + 3 = 43|-3
8x = 40|:8
x = 5
5s - 9 = -6|+9
5s = 3|:5
s = 0,6
7 - 2x = 15|-7
-2x = 8|:(-2)
x = -4
6k + 3 = 33|-3
6k = 30|:6
k = 5