3^{a-7}=27^{2a}

Lösung

3^{a - 7} = 2 7^{2 a}

a = - \frac{7}{5}

Dezimale

a = - 1.4

Schritte zur Lösung

3^{a - 7} = 2 7^{2 a}

Wende Exponentenregel an

a - 7 = 6 a

Löse

a - 7 = 6 a : a = - \frac{7}{5}

a = - \frac{7}{5}

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

2450 = 2000 e^{0.1 t}

55 = 2 3^{x}

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

(- 3^{3})^{x} = - 3