|x+9|=9

Lösung

∣ x + 9 ∣ = 9

x = - 18 or x = 0

Schritte zur Lösung

∣ x + 9 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 9 = - 9 or x + 9 = 9

x + 9 = - 9 or x + 9 = 9

x = - 18 or x = 0

x^{2} - 5 x + 6 = 0

∣ x ∣ = 0.1

∣ - 4 x + 7 ∣ = - x

∣ 6 c - 3 ∣ = 21

∣ 2 x - 3 ∣ + 1 = 12