(1/2)^x=128

Lösung

(\frac{1}{2})^{x} = 128

x = - 7

Schritte zur Lösung

(\frac{1}{2})^{x} = 128

Wende Exponentenregel an

- x = 7

Löse

- x = 7 : x = - 7

x = - 7

2^{2 x - 4} = 8^{4}

1 6^{2 x - 2} = 2^{3 x + 3}

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

3^{3 x + 5} = 3 \cdot 9^{x + 3}

9^{x} - 10 \times 3^{x} + 9 = 0