-4|8-2x|=-16

Lösung

- 4 ∣ 8 - 2 x ∣ = - 16

x = 2 or x = 6

Schritte zur Lösung

- 4 ∣ 8 - 2 x ∣ = - 16

Teile beide Seiten durch

- 4

∣ 8 - 2 x ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

8 - 2 x = - 4 or 8 - 2 x = 4

8 - 2 x = - 4 or 8 - 2 x = 4

x = 2 or x = 6

∣ 4 x + 5 ∣ - 2 = 26

- 3 ∣ d ∣ = 18

∣ 2 x - 1 ∣ = 7 x

∣ x ∣ = 17.9

∣ 2 x + 2 ∣ = 4 x + 4