9|9-2p|=81

Lösung

9 ∣ 9 - 2 p ∣ = 81

p = 0 or p = 9

Schritte zur Lösung

9 ∣ 9 - 2 p ∣ = 81

Teile beide Seiten durch

9

∣ 9 - 2 p ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

9 - 2 p = - 9 or 9 - 2 p = 9

9 - 2 p = - 9 or 9 - 2 p = 9

p = 0 or p = 9

\frac{∣ x + 2 ∣}{6} = 1

2 - ∣ k - 1 ∣ = - 6

- ∣ 4 x + 10 ∣ - 7 = - 14

∣ x ∣ = 2 x - 1

∣ 3 x - 7 ∣ + 7 = 12