zad. 1
a) 14x-9 = 6x+31
14x-6x = 31+9
8x = 40
x = 5
b) 3x+4 = 10x+3
3x-10x = 3-4
-7x = -1
7x = 1
x = [tex]\frac{1}{7\\}[/tex]
zad. 2
4x-6-x = 8-2x-4
4x-x+2x = 8-4+6
5x = 10
x = 2
Liczę na najke ;)
