8 8 24
________ = __________ + _________
x + 2 x - 2 12 - 6x
<=>
8 8 24
________ = __________ + _________
x + 2 x - 2 6*(2 - x)
<=>
8 8 4
________ = __________ + _________
x + 2 x - 2 (2 - x)
<=>
8 8 -4
________ = __________ + _________
x + 2 x - 2 x-2
<=>
8 4
________ = __________
x + 2 x - 2
<=>
8 (x-2) = 4 (x+2)
<==> 8x - 16 = 4x + 8
<==> 4 x = 24
<==> x = 6
Probe:
8/8 = 8/4 + 24/-24
1 = 2 - 1 Passt !