Klasa 6
x+4=-x-6
- 4x +5= - 3x + 10
6 - x = 3x + 12
2x + 3 = x - 5
- x - 1 = - 3
4x - 2 = 10
-5 + 2x = 18
2x - 3 = 14
-3/7 x = 15
5+x = 12


Odpowiedź :

a) x = -5

b) x = -5

c) x = 3/2

d) x = -8

e) x = 2

f) x = 3

g) x = 23/2

h) x = 17/2

i) x = -35

j) x = 7