|x+8|=7

Lösung

∣ x + 8 ∣ = 7

x = - 15 or x = - 1

Schritte zur Lösung

∣ x + 8 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 8 = - 7 or x + 8 = 7

x + 8 = - 7 or x + 8 = 7

x = - 15 or x = - 1

∣ x + 8 ∣ = c

∣ - x ∣ = - 10

4 y + 10 = - ∣ 2 y + 4 ∣

9 - 7 ∣ - x - 3 ∣ = - 61

∣ 7 v - 3 ∣ = - v + 9