45=|b-12|

Lösung

45 = ∣ b - 12 ∣

b = - 33 or b = 57

Schritte zur Lösung

45 = ∣ b - 12 ∣

Tausche die Seiten

∣ b - 12 ∣ = 45

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

b - 12 = - 45 or b - 12 = 45

b - 12 = - 45 or b - 12 = 45

b = - 33 or b = 57

100 = ∣ 10 c ∣

∣ 3 x - 2 ∣ + 3 = 7

- ∣ 3 x + 1 ∣ + 7 = 2

1 + ∣ 5 + 4 x ∣ = 4

∣ 13 + 4 y ∣ = 15