Odpowiedź :
Odpowiedź:
3x = 33/3
x = 11
5x+22=62/ - 22
5x = 40 /5
x =8
8x-5-4x=15/ +5
8x-4x = 20
4x = 20/4
x = 5
7x-9-x=8-2x-1
7x-x=8-2x-1+9
6x=7-2x+9
8x=7+9
8x=16/8
x=2
Odpowiedź:
3x = 33/3
x = 11
5x+22=62/ - 22
5x = 40 /5
x =8
8x-5-4x=15/ +5
8x-4x = 20
4x = 20/4
x = 5
7x-9-x=8-2x-1
7x-x=8-2x-1+9
6x=7-2x+9
8x=7+9
8x=16/8
x=2