|4-2y|=4

Lösung

∣ 4 - 2 y ∣ = 4

y = 0 or y = 4

Schritte zur Lösung

∣ 4 - 2 y ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 - 2 y = - 4 or 4 - 2 y = 4

4 - 2 y = - 4 or 4 - 2 y = 4

y = 0 or y = 4

10 ∣ - 7 x - 4 ∣ = 40

∣ 3 x - 5 ∣ - 3 = 0

5 ∣ 2 x - 3 ∣ = 5

- 2 ∣ x + 2 ∣ + 19 = 7

- ∣ 4 + x ∣ = - 10