|-5n|=45

Lösung

∣ - 5 n ∣ = 45

n = - 9 or n = 9

Schritte zur Lösung

∣ - 5 n ∣ = 45

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 5 n = - 45 or - 5 n = 45

- 5 n = - 45 or - 5 n = 45

n = - 9 or n = 9

∣ x + 8 ∣ = 7

∣ x + 8 ∣ = c

∣ - x ∣ = - 10

4 y + 10 = - ∣ 2 y + 4 ∣

9 - 7 ∣ - x - 3 ∣ = - 61