Odpowiedź :
-6x + 8 = 4
-6x = 4 - 8
-6x = -4 | : (-6)
x = ⅔
5x - 14 = 6
5x = 6 + 14
5x = 20 | : 5
x = 4
9 - x = 24
-x = 24 - 9
-x = 15 | : (-1)
x = -15
5 + 4x = 29
4x = 29 - 5
4x = 24 | : 4
x = 6
⅕x - 2 = 4
⅕x = 4 + 2
⅕x = 6 | * 5
x = 30
-6x + 8 = 4
-6x = 4 - 8
-6x = -4 | : (-6)
x = ⅔
5x - 14 = 6
5x = 6 + 14
5x = 20 | : 5
x = 4
9 - x = 24
-x = 24 - 9
-x = 15 | : (-1)
x = -15
5 + 4x = 29
4x = 29 - 5
4x = 24 | : 4
x = 6
⅕x - 2 = 4
⅕x = 4 + 2
⅕x = 6 | * 5
x = 30