3^{2x-1}=81

Lösung

3^{2 x - 1} = 81

x = \frac{5}{2}

Dezimale

x = 2.5

Schritte zur Lösung

3^{2 x - 1} = 81

Wende Exponentenregel an

2 x - 1 = 4

Löse

2 x - 1 = 4 : x = \frac{5}{2}

x = \frac{5}{2}

128 = \frac{5 ^{2 n - 5}}{2 ^{4 n}}

2^{x} = 36

7^{3 x - 2} = 2401

5 (2^{x + 1}) - 4^{x} = 16

4 9^{x + 3} = 7^{x^{2} - 3 x - 8}