|n+9|=10

Lösung

∣ n + 9 ∣ = 10

n = - 19 or n = 1

Schritte zur Lösung

∣ n + 9 ∣ = 10

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

n + 9 = - 10 or n + 9 = 10

n + 9 = - 10 or n + 9 = 10

n = - 19 or n = 1

- 2 ∣ 3 x - 3 ∣ + 5 = 2

2 (x^{2} - 4) = 3 x ∣ x + 3 ∣

∣ q - 5 ∣ = 5

∣ 3 y - 9 ∣ = 2 y + 7

∣ x - 3 ∣ = 12 - 2 x