|3n-2|=7

Lösung

∣ 3 n - 2 ∣ = 7

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

Dezimale

n = - 1.66666 \dots, n = 3

Schritte zur Lösung

∣ 3 n - 2 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 n - 2 = - 7 or 3 n - 2 = 7

3 n - 2 = - 7 or 3 n - 2 = 7

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

∣ 1 - 3 x ∣ = 37

∣ 3 x - 9 ∣ - ∣ 4 x - 6 ∣ = 4

∣ x - 2 ∣ + ∣ x ∣ = 2

∣ x - 1 ∣ = 2 x + 3

∣ x - 1 ∣ - 2 ∣ 2 - x ∣ = 0