|9+2x|=3

Lösung

∣ 9 + 2 x ∣ = 3

x = - 6 or x = - 3

Schritte zur Lösung

∣ 9 + 2 x ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

9 + 2 x = - 3 or 9 + 2 x = 3

9 + 2 x = - 3 or 9 + 2 x = 3

x = - 6 or x = - 3

∣ x + 5 ∣ = - 1

3 + ∣ x - 3 ∣ = 4 x

∣ t + 8 ∣ = 11

∣ 2 x - 9 ∣ = 7

∣ 3 x + 8 ∣ = 6