4|x+1|=12

Lösung

4 ∣ x + 1 ∣ = 12

x = - 4 or x = 2

Schritte zur Lösung

4 ∣ x + 1 ∣ = 12

Teile beide Seiten durch

4

∣ x + 1 ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 1 = - 3 or x + 1 = 3

x + 1 = - 3 or x + 1 = 3

x = - 4 or x = 2

∣ 10 b - 9 ∣ + 10 = 11

∣ 10 n + 4 ∣ + 12 = 10

∣ 1 - 2 t ∣ + 5 = 12

so l v e f or k, ∣ k ∣ + 2 = 4

8 ∣ - 8 x - 9 ∣ - 16 = 40