-|-x-6|=-7

Lösung

- ∣ - x - 6 ∣ = - 7

x = - 13 or x = 1

Schritte zur Lösung

- ∣ - x - 6 ∣ = - 7

Teile beide Seiten durch

- 1

∣ - x - 6 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- x - 6 = - 7 or - x - 6 = 7

- x - 6 = - 7 or - x - 6 = 7

x = - 13 or x = 1

3 - ∣ 2 x + 7 ∣ = 2

∣ x ∣ - 5 = - 1

∣ d - 11 ∣ - 8 = 5

∣ x + 7 ∣ = 10

∣ 2 - x ∣ = 3