32x +22x-1 -4x -32x-1 = 0
32x +22x-1 - 22x -32x-1 = 0
32x -32x-1 +22x-1 - 22x= 0
32x-1 ( 3 -1 ) +22x-1 ( 1 - 2) = 0
2* 32x-1 = 22x-1
2 = 22x-1 / 32x-1 = (2/3) 2x-1
ln(2) = ( 2x-1 ) * ln(2/3)
ln(2) / ln(2/3) = 2x-1
(0,5 + ln(2) / (2*ln(2/3)) = x
ungefähr -0,3548