9=|d+5|

Lösung

9 = ∣ d + 5 ∣

d = - 14 or d = 4

Schritte zur Lösung

9 = ∣ d + 5 ∣

Tausche die Seiten

∣ d + 5 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

d + 5 = - 9 or d + 5 = 9

d + 5 = - 9 or d + 5 = 9

d = - 14 or d = 4

∣ 3 x + 1 ∣ = 2

5 ∣ x - 2 ∣ = 4

∣ 4 x - 1 ∣ + 6 = 3 x

2 = \frac{y}{3}

∣ 5 x - 4 ∣ = 6