4=|z+4|

Lösung

4 = ∣ z + 4 ∣

z = - 8 or z = 0

Schritte zur Lösung

4 = ∣ z + 4 ∣

Tausche die Seiten

∣ z + 4 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

z + 4 = - 4 or z + 4 = 4

z + 4 = - 4 or z + 4 = 4

z = - 8 or z = 0

∣ 3 m + 2 ∣ + 4 = 29

∣ 2 - 4 t ∣ + 1 = 15

∣ 2 - 4 t ∣ + 1 = 19

∣ 2 n ∣ = 18

∣ 2 n ∣ = 14