Odpowiedź :
1)
1/3 x - 2 = x + 2 |·3
x - 6 = 3x + 6
x - 3x = 6 + 6
-2x = 12 /:(-2)
x = -6
2)
1 - 6/7 x = 4/7 |·7
7 - 6x = 4
-6x = 4 - 7
-6x = -3 /:(-6)
x = 1/2
3)
x/6 - 1/6 = 1 |·6
x - 1 = 6
x = 6 + 1
x = 7
1)
1/3 x - 2 = x + 2 |·3
x - 6 = 3x + 6
x - 3x = 6 + 6
-2x = 12 /:(-2)
x = -6
2)
1 - 6/7 x = 4/7 |·7
7 - 6x = 4
-6x = 4 - 7
-6x = -3 /:(-6)
x = 1/2
3)
x/6 - 1/6 = 1 |·6
x - 1 = 6
x = 6 + 1
x = 7