73=27^x

Lösung

73 = 2 7^{x}

x = \frac{ln ( 73 )}{3 ln ( 3 )}

Dezimale

x = 1.30178 \dots

Schritte zur Lösung

73 = 2 7^{x}

Wende Exponentenregel an

ln (73) = x ln (27)

Löse

ln (73) = x ln (27) : x = \frac{ln ( 73 )}{3 ln ( 3 )}

x = \frac{ln ( 73 )}{3 ln ( 3 )}

4^{x + 7} = 5

7^{(3 - x)} = 5^{(x + 1)}

1.0 1^{n} = 2

ln (2^{3 x + 1}) = 5

e = 1 0^{x}