-9|x+8|=-99

Lösung

- 9 ∣ x + 8 ∣ = - 99

x = - 19 or x = 3

Schritte zur Lösung

- 9 ∣ x + 8 ∣ = - 99

Teile beide Seiten durch

- 9

∣ x + 8 ∣ = 11

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 8 = - 11 or x + 8 = 11

x + 8 = - 11 or x + 8 = 11

x = - 19 or x = 3

5 ∣ x - 6 ∣ - 9 = 2

6 ∣ - 6 k - 2 ∣ - 6 = 2

∣ x - 3 ∣ = 2 x + 11

4 + 5 ∣ 2 x - 1 ∣ = 34

∣ 2 x + 7 ∣ = 51