|9-8x|>18

Lösung

∣ 9 - 8 x ∣ > 18

x < - \frac{9}{8} or x > \frac{27}{8}

Intervall-Notation

(- \infty, - \frac{9}{8}) \cup (\frac{27}{8}, \infty)

Dezimale

x < - 1.125 or x > 3.375

Schritte zur Lösung

∣ 9 - 8 x ∣ > 18

Wende Absoluteregel an: Wenn

∣ u ∣ > a, a > 0

dann

u < - a

u > a

9 - 8 x < - 18 or 9 - 8 x > 18

9 - 8 x < - 18 or 9 - 8 x > 18

x < - \frac{9}{8} or x > \frac{27}{8}

3 (x + 5) - 4 x + 2 = x - 21

(x - 1)^{2} = 3

10 - \frac{2}{3} x \leq 18

∣ 2 x + 1 ∣ > 0

2 x \geq 16