3=|c-5|

Lösung

3 = ∣ c - 5 ∣

c = 2 or c = 8

Schritte zur Lösung

3 = ∣ c - 5 ∣

Tausche die Seiten

∣ c - 5 ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

c - 5 = - 3 or c - 5 = 3

c - 5 = - 3 or c - 5 = 3

c = 2 or c = 8

∣ x + 5 ∣ = 2 x

8 ∣ 3 x - 10 ∣ - 12 = 20

14 = ∣ r ∣ + 5

2 ∣ x + 2 ∣ - 8 = 0

∣ x + 5 ∣ = 20