|a+2|=0

Lösung

∣ a + 2 ∣ = 0

a = - 2

Schritte zur Lösung

∣ a + 2 ∣ = 0

Wende Absoluteregel an: Wenn

∣ u ∣ = 0

dann

u = 0

a + 2 = 0

a + 2 = 0 : a = - 2

a = - 2

∣ 2 g - 5 ∣ = 9

∣ 4 X + 3 ∣ = - 3

4 ∣ 2 - 9 y ∣ = 28

5 ∣ 3 - 2 h ∣ + 21 = 6

∣ n - 7 ∣ = 3 n - 1