-7|5n|=-14

Lösung

- 7 ∣ 5 n ∣ = - 14

n = - \frac{2}{5} or n = \frac{2}{5}

Dezimale

n = - 0.4, n = 0.4

Schritte zur Lösung

- 7 ∣ 5 n ∣ = - 14

Teile beide Seiten durch

- 7

∣ 5 n ∣ = 2

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 n = - 2 or 5 n = 2

5 n = - 2 or 5 n = 2

n = - \frac{2}{5} or n = \frac{2}{5}

0 = - 9 ∣ - 7 c ∣

- 3 ∣ a ∣ - 4 = - 34

x^{2} + 4 x = 5 x + 12

∣ 10 x + 9 ∣ = 5

6 = ∣ - 2 j ∣ + 2