11=|-2b+1|

Lösung

11 = ∣ - 2 b + 1 ∣

b = - 5 or b = 6

Schritte zur Lösung

11 = ∣ - 2 b + 1 ∣

Tausche die Seiten

∣ - 2 b + 1 ∣ = 11

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 2 b + 1 = - 11 or - 2 b + 1 = 11

- 2 b + 1 = - 11 or - 2 b + 1 = 11

b = - 5 or b = 6

∣ 2 x + 9 ∣ + 6 = 14

∣ 4 x + 10 ∣ - 4 = 3 x

- 4 ∣ - 10 + x ∣ - 7 = - 103

∣ 3 x - 4 ∣ - 2 = 14

∣ y + 7 ∣ - 2 = - 5