15=|3n|

Lösung

15 = ∣ 3 n ∣

n = - 5 or n = 5

Schritte zur Lösung

15 = ∣ 3 n ∣

Tausche die Seiten

∣ 3 n ∣ = 15

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 n = - 15 or 3 n = 15

3 n = - 15 or 3 n = 15

n = - 5 or n = 5

∣ 3 x + 4 ∣ = 9 x + 12

\frac{1}{2} = ∣ x - 3 ∣

12 ∣ x ∣ - 3 = 6

5 = ∣ 5 q ∣ + 5

3 x^{2} - 2 ∣ x ∣ - 1 = 0