1=|9+a|

Lösung

1 = ∣ 9 + a ∣

a = - 10 or a = - 8

Schritte zur Lösung

1 = ∣ 9 + a ∣

Tausche die Seiten

∣ 9 + a ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

9 + a = - 1 or 9 + a = 1

9 + a = - 1 or 9 + a = 1

a = - 10 or a = - 8

10 - 5 ∣ - 3 + 10 x ∣ = - 5

3 ∣ x ∣ = - 8

∣ x + 7 ∣ + 1 = 33

∣ 1 - 5 x ∣ + 6 = 27

- 4 ∣ p ∣ = - 16