57=|b-8|

Lösung

57 = ∣ b - 8 ∣

b = - 49 or b = 65

Schritte zur Lösung

57 = ∣ b - 8 ∣

Tausche die Seiten

∣ b - 8 ∣ = 57

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

b - 8 = - 57 or b - 8 = 57

b - 8 = - 57 or b - 8 = 57

b = - 49 or b = 65

∣ 7 + 5 x ∣ = 8

∣ 16 - x ∣ = 72

∣ 3 r ∣ - 3 = 9

∣ x - 1 ∣ + 6 = 8

∣ 7 u ∣ - 18 = 31