|2y-4|=12

Lösung

∣ 2 y - 4 ∣ = 12

y = - 4 or y = 8

Schritte zur Lösung

∣ 2 y - 4 ∣ = 12

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 y - 4 = - 12 or 2 y - 4 = 12

2 y - 4 = - 12 or 2 y - 4 = 12

y = - 4 or y = 8

∣ x ∣ = 13.4

- 3 ∣ r + 4 ∣ = - 21

∣ 2 x - 5 ∣ = x + 2

∣ 5 x + 8 ∣ = x

∣ 3 x + 7 ∣ = 4 x