-2|z+3|=-14

Lösung

- 2 ∣ z + 3 ∣ = - 14

z = - 10 or z = 4

Schritte zur Lösung

- 2 ∣ z + 3 ∣ = - 14

Teile beide Seiten durch

- 2

∣ z + 3 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

z + 3 = - 7 or z + 3 = 7

z + 3 = - 7 or z + 3 = 7

z = - 10 or z = 4

- 5 ∣ 8 m - 7 ∣ = - 45

3 ∣ p - 5 ∣ = 2 p

3 - ∣ x + 4 ∣ = 10

∣ 2 - x ∣ = 1

∣ x + 7 ∣ = - 4