|2x+1|=1

Lösung

∣ 2 x + 1 ∣ = 1

x = - 1 or x = 0

Schritte zur Lösung

∣ 2 x + 1 ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x + 1 = - 1 or 2 x + 1 = 1

2 x + 1 = - 1 or 2 x + 1 = 1

x = - 1 or x = 0

- 5 ∣ 9 k ∣ + 1 = - 89

∣ 1 - x ∣ = 7

∣ 2 x + 7 ∣ = 3

- 2 ∣ x - 15 ∣ + 8 = 4

∣ - 2 x ∣ - 16 = 2 x - 20