|x+7|=10

Lösung

∣ x + 7 ∣ = 10

x = - 17 or x = 3

Schritte zur Lösung

∣ x + 7 ∣ = 10

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 7 = - 10 or x + 7 = 10

x + 7 = - 10 or x + 7 = 10

x = - 17 or x = 3

∣ 2 - x ∣ = 3

5 + ∣ 3 x + 2 ∣ = 4 x

- 4 ∣ 2 x - 3 ∣ = 20

∣ 6 - 3 y ∣ = 11

3 ∣ 2 a + 7 ∣ = 3 a + 12