|x|=1,2

Lösung

∣ x ∣ = 1, 2

x = - 1 or x = 1

Schritte zur Lösung

∣ x ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x = - 1 or x = 1

∣ 2 x - 4 ∣ = - 10

8 + 4 ∣ 7 b - 2 ∣ = 28

- 4 ∣ x - 1 ∣ = - 16

5 ∣ x + 9 ∣ + 3 = 33

∣ 7 x - 9 ∣ = 11 - 3 x