-3|x-5|=-18

Lösung

- 3 ∣ x - 5 ∣ = - 18

x = - 1 or x = 11

Schritte zur Lösung

- 3 ∣ x - 5 ∣ = - 18

Teile beide Seiten durch

- 3

∣ x - 5 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 5 = - 6 or x - 5 = 6

x - 5 = - 6 or x - 5 = 6

x = - 1 or x = 11

3 ∣ x - 3 ∣ = - 4 x + 6

∣ 2 x - 5 ∣ = 3 x + 4

1 = ∣ x ∣

∣ 3 y - 7 ∣ - 10 = - 5

∣ 2 b + 4 ∣ - 6 = 14