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2009-10-07T17:07:57+02:00
2x + 1 = 6 ⅕
2x=6⅕-1
2x=5⅕
2x=25/6 | :2
x=25/12
x=2 1/12

0,4x + 3 = 3 ¾
0,4x=3¾-3
4/10x=¾ | :4/10
x=15/8
x=1⅞


1⅓(x-1) = 6
1⅓x-1⅓=6
4/3x=7⅓
4/3x=22/3 | : 4/3
x=11/2
x=5½
1 3 1
2009-10-07T17:45:39+02:00
2x = 60⅕
x = 30,1

4x = 307,5
x = 76,875

1⅓x = 7⅓
4/3x = 22/3
4x = 22
x = 5,5