|-4+x|=1

Lösung

∣ - 4 + x ∣ = 1

x = 3 or x = 5

Schritte zur Lösung

∣ - 4 + x ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 4 + x = - 1 or - 4 + x = 1

- 4 + x = - 1 or - 4 + x = 1

x = 3 or x = 5

- 4 + ∣ 8 - 2 r ∣ = - 2

∣ 5 x + 7 ∣ 2 - 6 x + 4 = 0

2 ∣ 9 x ∣ + 5 = 13

∣ n ∣ = 10

∣ 5 x + 1 ∣ = 4