|5w+15|=5

Lösung

∣ 5 w + 15 ∣ = 5

w = - 4 or w = - 2

Schritte zur Lösung

∣ 5 w + 15 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 w + 15 = - 5 or 5 w + 15 = 5

5 w + 15 = - 5 or 5 w + 15 = 5

w = - 4 or w = - 2

∣ x - 6 ∣ + 8 = 17

∣ x - 6 ∣ + 8 = 15

∣ x + 7 ∣ = 13

∣ 6 x - 5 ∣ - 11 = - 8

∣ x + 7 ∣ = - 1