|x-13|=8

Lösung

∣ x - 13 ∣ = 8

x = 5 or x = 21

Schritte zur Lösung

∣ x - 13 ∣ = 8

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 13 = - 8 or x - 13 = 8

x - 13 = - 8 or x - 13 = 8

x = 5 or x = 21

∣ 3 y - 9 ∣ = 18

∣ z - 3 ∣ = 0

∣ 3 x ∣ = 4

\frac{x + 8}{3} = 7

∣ x + 3 ∣ = - x - 3