4=|4+2x|

Lösung

4 = ∣ 4 + 2 x ∣

x = - 4 or x = 0

Schritte zur Lösung

4 = ∣ 4 + 2 x ∣

Tausche die Seiten

∣ 4 + 2 x ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 + 2 x = - 4 or 4 + 2 x = 4

4 + 2 x = - 4 or 4 + 2 x = 4

x = - 4 or x = 0

∣ 8 - 3 n ∣ = 16

7 - 4 ∣ x - 5 ∣ = - 49

8 ∣ 3 - 3 f ∣ - 5 = 91

1 - ∣ 4 x - 5 ∣ = - 2

225 = ∣ q - 725 ∣