2|k-3|=18

Lösung

2 ∣ k - 3 ∣ = 18

k = - 6 or k = 12

Schritte zur Lösung

2 ∣ k - 3 ∣ = 18

Teile beide Seiten durch

2

∣ k - 3 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

k - 3 = - 9 or k - 3 = 9

k - 3 = - 9 or k - 3 = 9

k = - 6 or k = 12

∣ 4 n + 5 ∣ = 19

∣ - 4 x + 3 ∣ = 7

- 5 ∣ x + 1 ∣ = 10

3 ∣ y + 4 ∣ = 24

2 ∣ x - 1 ∣ + 9 = - 3