|5x|=20

Lösung

∣ 5 x ∣ = 20

x = - 4 or x = 4

Schritte zur Lösung

∣ 5 x ∣ = 20

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 x = - 20 or 5 x = 20

5 x = - 20 or 5 x = 20

x = - 4 or x = 4

∣ 2 g + 5 ∣ - 2 = 11

\frac{n}{7} = 5

4 - \frac{x}{5} = 10

2 ∣ x - 5 ∣ = 14

∣ - 9 x ∣ = 81