3|k+5|=18

Lösung

3 ∣ k + 5 ∣ = 18

k = - 11 or k = 1

Schritte zur Lösung

3 ∣ k + 5 ∣ = 18

Teile beide Seiten durch

3

∣ k + 5 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

k + 5 = - 6 or k + 5 = 6

k + 5 = - 6 or k + 5 = 6

k = - 11 or k = 1

2 ∣ 3 x - 1 ∣ - 1 = - 5

0 = ∣ x + 5 ∣

\frac{r}{2} = 5

4 ∣ 3 x - 4 ∣ + 6 = 10

∣ x ∣ - 5 = 3