|n|=23

Lösung

∣ n ∣ = 23

n = - 23 or n = 23

Schritte zur Lösung

∣ n ∣ = 23

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

n = - 23 or n = 23

1 = ∣ - 9 s ∣

0 = - ∣ x + 6 ∣

∣ 3 x - 9 ∣ + 4 = 3

x^{2} + 2 x = 2 - ∣ x ∣

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