-7|6k-4|=-56

Lösung

- 7 ∣ 6 k - 4 ∣ = - 56

k = - \frac{2}{3} or k = 2

Dezimale

k = - 0.66666 \dots, k = 2

Schritte zur Lösung

- 7 ∣ 6 k - 4 ∣ = - 56

Teile beide Seiten durch

- 7

∣ 6 k - 4 ∣ = 8

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

6 k - 4 = - 8 or 6 k - 4 = 8

6 k - 4 = - 8 or 6 k - 4 = 8

k = - \frac{2}{3} or k = 2

x^{2} - 6 ∣ x ∣ = 0

∣ 4 x - 20 ∣ - 9 = - 5

∣ 4 - 2 x ∣ = 10

∣ 3 x + 2 ∣ + 4 = 4

∣ 3 x + 2 ∣ + 4 = 3