Odpowiedź:
b) -6x + 8 = 4
-6x = 4 - 8
-6x = -4 /: -6
x = 4/6
x = 2/3
c) 5x - 14 = 6
5x = 6 + 14
5x = 20 / :5
x = 4
d) 9 - x = 24
9 - 24 = x
x = - 15
e) 5 + 4x = 29
4x = 29 - 5
4x = 24 / :4
x = 6
f) 1/5x - 2 = 4
1/5x = 4 + 2
1/5x = 6 / *5
x = 30
