4|k+1|=16

Lösung

4 ∣ k + 1 ∣ = 16

k = - 5 or k = 3

Schritte zur Lösung

4 ∣ k + 1 ∣ = 16

Teile beide Seiten durch

4

∣ k + 1 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

k + 1 = - 4 or k + 1 = 4

k + 1 = - 4 or k + 1 = 4

k = - 5 or k = 3

∣ - 2 x + 9 ∣ = 11

2 ∣ x ∣ - 6 = 18

\frac{10 ∣ x + 8 ∣}{5} = 24

∣ 6 - x ∣ = 54

∣ 2 b - 9 ∣ = ∣ b - 6 ∣