49^{1-2x}=7^x

Lösung

4 9^{1 - 2 x} = 7^{x}

x = \frac{2}{5}

Dezimale

x = 0.4

Schritte zur Lösung

4 9^{1 - 2 x} = 7^{x}

Wende Exponentenregel an

2 (1 - 2 x) = x

Löse

2 (1 - 2 x) = x : x = \frac{2}{5}

x = \frac{2}{5}

3^{x} = 4 - x

3^{5 x + 12} = 81

e^{2 x - 1} = 5

8 1^{2 x + 2} = 3^{2 x + 2}

5^{x + 1} = 8^{x - 1}