(|3-x|)/6 =2

Lösung

\frac{∣ 3 - x ∣}{6} = 2

x = - 9 or x = 15

Schritte zur Lösung

\frac{∣ 3 - x ∣}{6} = 2

Multipliziere beide Seiten mit

6

∣ 3 - x ∣ = 12

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 - x = - 12 or 3 - x = 12

3 - x = - 12 or 3 - x = 12

x = - 9 or x = 15

7 ∣ x - 4 ∣ - 21 = - 14

∣ x - 3 ∣ = 6 x + 7

1 + \frac{x}{7} = 2

x^{2} + 9 x + 14 = 0

∣ 2 x - 6 ∣ + 9 = 5