|5x+1|=9

Lösung

∣ 5 x + 1 ∣ = 9

x = - 2 or x = \frac{8}{5}

Dezimale

x = - 2, x = 1.6

Schritte zur Lösung

∣ 5 x + 1 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 x + 1 = - 9 or 5 x + 1 = 9

5 x + 1 = - 9 or 5 x + 1 = 9

x = - 2 or x = \frac{8}{5}

∣ a - 5 ∣ = a + 4

∣ 6 x + 9 ∣ = 3

∣ n ∣ = - 2

∣ - 9 + x ∣ = 3

∣ x + 3 ∣ = 3^{x} + 1