2|1-10n|=58

Lösung

2 ∣ 1 - 10 n ∣ = 58

n = - \frac{14}{5} or n = 3

Dezimale

n = - 2.8, n = 3

Schritte zur Lösung

2 ∣ 1 - 10 n ∣ = 58

Teile beide Seiten durch

2

∣ 1 - 10 n ∣ = 29

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

1 - 10 n = - 29 or 1 - 10 n = 29

1 - 10 n = - 29 or 1 - 10 n = 29

n = - \frac{14}{5} or n = 3

- 3 + 9 ∣ 9 x - 3 ∣ = - 75

∣ 2 x - 7 ∣ + 3 = 2

∣ 1 - 4 a ∣ - 5 = 8

9 - x^{2} = x - 1

∣ 3 x - 15 ∣ - 5 = - 2