-2|2x+3|=-18

Lösung

- 2 ∣ 2 x + 3 ∣ = - 18

x = - 6 or x = 3

Schritte zur Lösung

- 2 ∣ 2 x + 3 ∣ = - 18

Teile beide Seiten durch

- 2

∣ 2 x + 3 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x + 3 = - 9 or 2 x + 3 = 9

2 x + 3 = - 9 or 2 x + 3 = 9

x = - 6 or x = 3

∣ 7 - 7 b ∣ = 0

3 ∣ x + 5 ∣ + 9 = 4

z^{2} ∣ z ∣^{2} = 4

∣ x - 1 ∣ + ∣ x + 5 ∣ = 6

∣ 2 - x ∣ = ∣ x + 5 ∣