|3x+9|=6

Lösung

∣ 3 x + 9 ∣ = 6

x = - 5 or x = - 1

Schritte zur Lösung

∣ 3 x + 9 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x + 9 = - 6 or 3 x + 9 = 6

3 x + 9 = - 6 or 3 x + 9 = 6

x = - 5 or x = - 1

∣ - 9 + x ∣ - 2 = 11

∣ 3 x + 1 ∣ + x = 7

- 4 \cdot ∣ x + 2 ∣ = x - 8

5 ∣ q + 6 ∣ + 4 = 24

∣ 3 x + 5 ∣ = - 1