1=|r+4|

Lösung

1 = ∣ r + 4 ∣

r = - 5 or r = - 3

Schritte zur Lösung

1 = ∣ r + 4 ∣

Tausche die Seiten

∣ r + 4 ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

r + 4 = - 1 or r + 4 = 1

r + 4 = - 1 or r + 4 = 1

r = - 5 or r = - 3

∣ 4 x - 10 ∣ = 50

∣ - 6 z - 6 ∣ = 23

∣ 2 t ∣ - 5 = 7

- 5 = ∣ d - 5 ∣

x^{2} + 6 x = 3 x + 1