3|3x+2|=51

Lösung

3 ∣ 3 x + 2 ∣ = 51

x = - \frac{19}{3} or x = 5

Dezimale

x = - 6.33333 \dots, x = 5

Schritte zur Lösung

3 ∣ 3 x + 2 ∣ = 51

Teile beide Seiten durch

3

∣ 3 x + 2 ∣ = 17

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x + 2 = - 17 or 3 x + 2 = 17

3 x + 2 = - 17 or 3 x + 2 = 17

x = - \frac{19}{3} or x = 5

∣ 6 x - 6 ∣ = 54

60 = ∣ 300 - 48 x ∣

4 = ∣ 4 + 2 x ∣

∣ 8 - 3 n ∣ = 16

7 - 4 ∣ x - 5 ∣ = - 49