2|x-3|=12

Lösung

2 ∣ x - 3 ∣ = 12

x = - 3 or x = 9

Schritte zur Lösung

2 ∣ x - 3 ∣ = 12

Teile beide Seiten durch

2

∣ x - 3 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

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

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

x = - 3 or x = 9

x^{2} + 3 x = 4

∣ 7 x ∣ + 8 = 15

- ∣ 7 - x ∣ - 5 = - 12 - 12

- 5 = \frac{∣ r - 7 ∣}{- 3}

4 = ∣ v + 6 ∣