1/2 |3-x|=3

Lösung

\frac{1}{2} ∣ 3 - x ∣ = 3

x = - 3 or x = 9

Schritte zur Lösung

\frac{1}{2} ∣ 3 - x ∣ = 3

Multipliziere beide Seiten mit

2

∣ 3 - x ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

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

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

x = - 3 or x = 9

- 2 ∣ 4 x - 1 ∣ + 17 = 3

∣ 7 x - 4 ∣ = - 12

∣ - 8 x ∣ = 16

∣ - 8 x ∣ = 17

10 ∣ 10 v + 3 ∣ - 5 = 25