|-9x|=72

Lösung

∣ - 9 x ∣ = 72

x = - 8 or x = 8

Schritte zur Lösung

∣ - 9 x ∣ = 72

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 9 x = - 72 or - 9 x = 72

- 9 x = - 72 or - 9 x = 72

x = - 8 or x = 8

6 - 2 ∣ 4 k + 1 ∣ = - 56

∣ x ∣ + 14 = 24

7 ∣ 2 x - 5 ∣ = 21

∣ x ∣ + 5 = 1

∣ 4 x + 1 ∣ + 3 = - 7