|9x|=81

Lösung

∣ 9 x ∣ = 81

x = - 9 or x = 9

Schritte zur Lösung

∣ 9 x ∣ = 81

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

9 x = - 81 or 9 x = 81

9 x = - 81 or 9 x = 81

x = - 9 or x = 9

∣ 9 - 10 n ∣ = 61

3 ∣ x + 6 ∣ = 36

\frac{∣ k + 7 ∣}{6} = 2

∣ x + 5 ∣ = - 2

∣ x + 5 ∣ = - 8