-3|2x+1|=-15

Lösung

- 3 ∣ 2 x + 1 ∣ = - 15

x = - 3 or x = 2

Schritte zur Lösung

- 3 ∣ 2 x + 1 ∣ = - 15

Teile beide Seiten durch

- 3

∣ 2 x + 1 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x + 1 = - 5 or 2 x + 1 = 5

2 x + 1 = - 5 or 2 x + 1 = 5

x = - 3 or x = 2

4 = a + ∣ x - 4 ∣

∣ m - 3 ∣ = 12 - 2 m

2 x^{2} - 4 x + 1 = 1

∣ - 10 x - 8 ∣ - 9 = 69

∣ 3 x - 7 ∣ - 7 = xx