2|3x-6|=18

Lösung

2 ∣ 3 x - 6 ∣ = 18

x = - 1 or x = 5

Schritte zur Lösung

2 ∣ 3 x - 6 ∣ = 18

Teile beide Seiten durch

2

∣ 3 x - 6 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x - 6 = - 9 or 3 x - 6 = 9

3 x - 6 = - 9 or 3 x - 6 = 9

x = - 1 or x = 5

2 - 2 ∣ 5 x - 2 ∣ = - 18 - 18

∣ x - 3 ∣ = 4 x + 9

3 = ∣ y - 1 ∣

\frac{∣ 4 - 3 a ∣}{7} = 4

∣ 2 x - 4 ∣ - 1 = 5