50.000 + (1/3 z) + (1/4 z) = z ?
\(50.000+\frac{1}{3}z+\frac{1}{4}z=z\)
\((1-\frac{1}{3}-\frac{1}{4})z=50.000\)
\(\frac{5}{12}z=50.000\)
\(z=120.000\)
(\(50.000+\frac{1}{3z}+\frac{1}{4z}=z\)) ?? Eher nicht!
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