|2x|=12

Lösung

∣ 2 x ∣ = 12

x = - 6 or x = 6

Schritte zur Lösung

∣ 2 x ∣ = 12

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x = - 12 or 2 x = 12

2 x = - 12 or 2 x = 12

x = - 6 or x = 6

2 ∣ x - 2 ∣ - 1 = 0

∣ - 6 x ∣ = - 18

- 3 ∣ x + 2 ∣ = 9

3 ∣ d - 4 ∣ = 12

∣ x + 3 ∣ = x + 3