|7n|=70

Lösung

∣ 7 n ∣ = 70

n = - 10 or n = 10

Schritte zur Lösung

∣ 7 n ∣ = 70

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 n = - 70 or 7 n = 70

7 n = - 70 or 7 n = 70

n = - 10 or n = 10

∣ - 10 x ∣ = - 50

∣ 3 x - 2 ∣ = 6 x - 4

∣ 3 x - 1 ∣ = 4 x + 2

∣ 8 x + 3 ∣ + 5 = 4

x^{2} + 8 x + 4 = ∣ x + 2 ∣ + 3