|y+3|=4

Lösung

∣ y + 3 ∣ = 4

y = - 7 or y = 1

Schritte zur Lösung

∣ y + 3 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

y + 3 = - 4 or y + 3 = 4

y + 3 = - 4 or y + 3 = 4

y = - 7 or y = 1

∣ 2 + 2 y ∣ + 1 = 3

∣ y + 3 ∣ = 0

∣ 3 x - 7 ∣ = 14

3 - ∣ 3 - 2 x ∣ = 0

4 ∣ 3 x - 6 ∣ = 24