|6u+9|=3

Lösung

∣ 6 u + 9 ∣ = 3

u = - 2 or u = - 1

Schritte zur Lösung

∣ 6 u + 9 ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

6 u + 9 = - 3 or 6 u + 9 = 3

6 u + 9 = - 3 or 6 u + 9 = 3

u = - 2 or u = - 1

∣ 5 x - 2 ∣ = - 6

20 = ∣ - 2 w ∣

∣ x - 4 ∣ = 3 x - 6

4 ∣ 8 x ∣ + 5 = 25

∣ 5 x - 24 ∣ = x