(1/5)^{x-7}=125

Lösung

(\frac{1}{5})^{x - 7} = 125

x = 4

Schritte zur Lösung

(\frac{1}{5})^{x - 7} = 125

Wende Exponentenregel an

- (x - 7) = 3

Löse

- (x - 7) = 3 : x = 4

x = 4

- 16 \cdot 1 0^{6 x} = - 80

lo g_{3} (3^{x}) = 7

5^{x} = e^{x + 3}

7^{5 x + 7} = 2

20 (7^{2 x}) = 40 (5^{(3 x + 1)})