13=|3j-1|

Lösung

13 = ∣ 3 j - 1 ∣

j = - 4 or j = \frac{14}{3}

Dezimale

j = - 4, j = 4.66666 \dots

Schritte zur Lösung

13 = ∣ 3 j - 1 ∣

Tausche die Seiten

∣ 3 j - 1 ∣ = 13

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 j - 1 = - 13 or 3 j - 1 = 13

3 j - 1 = - 13 or 3 j - 1 = 13

j = - 4 or j = \frac{14}{3}

- 3 = - 2 ∣ 8 h - 6 ∣

9 ∣ g ∣ = 0

∣ x - 2 ∣ + 29 = 11

∣ x + 6 ∣ - 3 - 3 x = - 2

∣ 4 x + 2 ∣ - 4 = 10