7^x=9

Lösung

7^{x} = 9

x = \frac{2 ln ( 3 )}{ln ( 7 )}

Dezimale

x = 1.12915 \dots

Schritte zur Lösung

7^{x} = 9

Wende Exponentenregel an

x ln (7) = ln (9)

Löse

x ln (7) = ln (9) : x = \frac{2 ln ( 3 )}{ln ( 7 )}

x = \frac{2 ln ( 3 )}{ln ( 7 )}

7^{x} = 0

\frac{9 ^{2 x - 3}}{3 ^{x - 2}} = 256

2^{4 x} = 2^{2 x - 3}

5^{5 x + 1} = 2^{x - 3}

2^{2 - 5 x} = 4^{x}