|x+7|=sqrt(7)

Lösung

∣ x + 7 ∣ = 7

x = - 7 - 7 or x = 7 - 7

Dezimale

x = - 9.64575 \dots, x = - 4.35424 \dots

Schritte zur Lösung

∣ x + 7 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 7 = - 7 or x + 7 = 7

x + 7 = - 7 or x + 7 = 7

x = - 7 - 7 or x = 7 - 7

- 4 ∣ 2 v + 2 ∣ = 0

∣ x - 4 ∣ = ∣ x + 6 ∣

∣ n + 2 ∣ = 1

- 4 ∣ 2 x - 3 ∣ + 12 = - 8

∣ d - 4 ∣ = 3