11=|x+4|

Lösung

11 = ∣ x + 4 ∣

x = - 15 or x = 7

Schritte zur Lösung

11 = ∣ x + 4 ∣

Tausche die Seiten

∣ x + 4 ∣ = 11

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 4 = - 11 or x + 4 = 11

x + 4 = - 11 or x + 4 = 11

x = - 15 or x = 7

- 3 ∣ 5 x + 3 ∣ + 1 = - 8

∣ 2 - 3 y ∣ = 3

∣ 2 x + 7 ∣ = 5

∣ 4 x - 5 ∣ + 5 x + 2 = 0

9 + 2 ∣ 4 x - 5 ∣ = 13