|x+7.5|=4

Lösung

∣ x + 7.5 ∣ = 4

x = - 11.5 or x = - 3.5

Schritte zur Lösung

∣ x + 7.5 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 7.5 = - 4 or x + 7.5 = 4

x + 7.5 = - 4 or x + 7.5 = 4

x = - 11.5 or x = - 3.5

∣ 2 x - 6 ∣ = 2

∣ 2 x - 6 ∣ = 6

2 ∣ - 11 x + 3 ∣ = 25

∣ - 6 z ∣ = 48

x^{2} + x - 3 = ∣ 2 x - 1 ∣