|-3x|=15

Lösung

∣ - 3 x ∣ = 15

x = - 5 or x = 5

Schritte zur Lösung

∣ - 3 x ∣ = 15

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 3 x = - 15 or - 3 x = 15

- 3 x = - 15 or - 3 x = 15

x = - 5 or x = 5

∣ 4 x + 1 ∣ = 6

∣ 4 x + 1 ∣ = 7

2 = ∣ 8 x + 10 ∣

∣ x - 7 ∣ = 21

∣ 5 x - 2 ∣ = 4 x