19=|r-1|

Lösung

19 = ∣ r - 1 ∣

r = - 18 or r = 20

Schritte zur Lösung

19 = ∣ r - 1 ∣

Tausche die Seiten

∣ r - 1 ∣ = 19

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

r - 1 = - 19 or r - 1 = 19

r - 1 = - 19 or r - 1 = 19

r = - 18 or r = 20

∣ z ∣ - 3 = - 15

∣ 4 x - 4 ∣ - 10 = 2 x^{2} x

∣ 7 x - 1 ∣ - 7 = 3

∣ x + 2 ∣ + 3 = 0

∣ x + 8 ∣ + 1 = 0