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2010-02-01T13:59:55+01:00
4x-4=-2x-2
4x+2x=-2+4
6x=2 /:6
x=1/3

½-x=-½x
-x+½x=-½
-½x=-½ /:-½
x=1

6x+9=-1
6x=-1-9
6x=-10 /:6
x=-5/3
2010-02-01T14:01:44+01:00
4(x-1)=-2(x+1)
4x-4=-2x-2
6x=2
x=1/3

½-x=-½x
½=½x
x=1

3(2x+3)=-1
6x+9=-1
6x=-10
x=-1 i 2/3
2010-02-01T14:03:06+01:00
4x-4=2x-2
4x+2x=-2+4
6x=-2/6
x=-1/3


½-x=-½x
-x+½x=-½
-½x=½/-½
x=1


6x+9=-1
6x=-1-9
6x=-10/6
x=-1⅔