6^{(x+2)}=21

Lösung

6^{(x + 2)} = 21

x = \frac{ln ( 21 )}{ln ( 6 )} - 2

Dezimale

x = - 0.30081 \dots

Schritte zur Lösung

6^{(x + 2)} = 21

Wende Exponentenregel an

(x + 2) ln (6) = ln (21)

Löse

(x + 2) ln (6) = ln (21) : x = \frac{ln ( 21 )}{ln ( 6 )} - 2

x = \frac{ln ( 21 )}{ln ( 6 )} - 2

3^{2 - x} = \frac{1}{81}

e^{x} = 2 x + 3

2^{3 x - 4} = 10

5^{2 x} = 625

e^{3 x} = 15