-7|2+n|=-49

Lösung

- 7 ∣ 2 + n ∣ = - 49

n = - 9 or n = 5

Schritte zur Lösung

- 7 ∣ 2 + n ∣ = - 49

Teile beide Seiten durch

- 7

∣ 2 + n ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 + n = - 7 or 2 + n = 7

2 + n = - 7 or 2 + n = 7

n = - 9 or n = 5

∣ 4 x - 4 ∣ - 8 = - 3 - 3

2 - ∣ k + 1 ∣ = 6

∣ m ∣ = - 2

4 - 2 ∣ x + 9 ∣ = - 5

∣ p - 6 ∣ = 4