5^{x-1}=25

Lösung

5^{x - 1} = 25

x = 3

Schritte zur Lösung

5^{x - 1} = 25

Wende Exponentenregel an

x - 1 = 2

Löse

x - 1 = 2 : x = 3

x = 3

so l v e f or w, x^{72} + x^{w} = x^{8}

7^{x} = 8

8 e^{2 x} - 43 e^{x} - 30 = 0

7 \cdot 3^{x} = 189

(5^{x})^{2} + 8 = 12 5^{2} x