3|2x-1|=27

Lösung

3 ∣ 2 x - 1 ∣ = 27

x = - 4 or x = 5

Schritte zur Lösung

3 ∣ 2 x - 1 ∣ = 27

Teile beide Seiten durch

3

∣ 2 x - 1 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x - 1 = - 9 or 2 x - 1 = 9

2 x - 1 = - 9 or 2 x - 1 = 9

x = - 4 or x = 5

∣ n + 9 ∣ = 10

- 2 ∣ 3 x - 3 ∣ + 5 = 2

2 (x^{2} - 4) = 3 x ∣ x + 3 ∣

∣ q - 5 ∣ = 5

∣ 3 y - 9 ∣ = 2 y + 7