4^x=128

Lösung

4^{x} = 128

x = \frac{7}{2}

Dezimale

x = 3.5

Schritte zur Lösung

4^{x} = 128

Wende Exponentenregel an

2 x = 7

Löse

2 x = 7 : x = \frac{7}{2}

x = \frac{7}{2}

3^{x} = 23

2^{x + 3} + 4^{x + 1} = 320

4^{x^{2} - 11 x + 30} = 16

2 e^{t} = 75

4^{x} - 6 (2^{x}) + 8 = 0