4^{(7-3x)}= 1/16

Lösung

4^{(7 - 3 x)} = \frac{1}{16}

x = 3

Schritte zur Lösung

4^{(7 - 3 x)} = \frac{1}{16}

Wende Exponentenregel an

7 - 3 x = - 2

Löse

7 - 3 x = - 2 : x = 3

x = 3

80 (5.4)^{x} = 7800

5^{2 x} = \frac{1}{25}

so l v e f or a, x^{3} x = x^{a}

16 (2^{2 x}) + 15 (2^{x}) - 1 = 0

e^{x} - 5 e^{2 x} = 0