|5x-2|=8

Lösung

∣ 5 x - 2 ∣ = 8

x = - \frac{6}{5} or x = 2

Dezimale

x = - 1.2, x = 2

Schritte zur Lösung

∣ 5 x - 2 ∣ = 8

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 x - 2 = - 8 or 5 x - 2 = 8

5 x - 2 = - 8 or 5 x - 2 = 8

x = - \frac{6}{5} or x = 2

\frac{3}{x + 5} \geq 2

21 x^{2} + 14 x - 7 = 0

- 3 < x < - 1

c = 8^{l o g_{2} (8) - \frac{5}{3}}

s im pl i f y \frac{100}{100 - 5}