Odpowiedzi

2010-03-29T17:13:15+02:00
1-6/7x = 4/7
-6/7x = 4/7-1
-6/7x = -3/7 |:(-6/7)
x = 3/7*7/6
x = 3/6
x = 1/2
x = 0,5
2010-03-29T17:13:16+02:00
1-6/7x=4/7
-6/7x=4/7-1
-6/7x=-3/7
x= -3/7 * (-7/6)
x= 1/2
2010-03-29T17:18:52+02:00
1-6/7x=4/7
(-6/7x)=(-3/7)/:(-6/7)
x=1/2:)