3^x=80

Lösung

3^{x} = 80

x = \frac{ln ( 80 )}{ln ( 3 )}

Dezimale

x = 3.98869 \dots

Schritte zur Lösung

3^{x} = 80

Wende Exponentenregel an

x ln (3) = ln (80)

Löse

x ln (3) = ln (80) : x = \frac{ln ( 80 )}{ln ( 3 )}

x = \frac{ln ( 80 )}{ln ( 3 )}

2 + e^{2 x} = 2 + 4 e^{- x}

2 e^{2 x} = e^{x} + 1

5^{2 x - 1} = 3^{x + 7}

e^{2 x} = 2.6

5^{x} = 1255