2|3x-5|=20

Lösung

2 ∣ 3 x - 5 ∣ = 20

x = - \frac{5}{3} or x = 5

Dezimale

x = - 1.66666 \dots, x = 5

Schritte zur Lösung

2 ∣ 3 x - 5 ∣ = 20

Teile beide Seiten durch

2

∣ 3 x - 5 ∣ = 10

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x - 5 = - 10 or 3 x - 5 = 10

3 x - 5 = - 10 or 3 x - 5 = 10

x = - \frac{5}{3} or x = 5

∣ 4 x + 7 ∣ - 4 = 24

4 ∣ 2 x + 5 ∣ + 10 = 37

\frac{n}{3} = 1

∣ 2 x + 3 ∣ + 12 = 5

∣ V + 8 ∣ - 5 = 2