|r+5|=2

Lösung

∣ r + 5 ∣ = 2

r = - 7 or r = - 3

Schritte zur Lösung

∣ r + 5 ∣ = 2

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

r + 5 = - 2 or r + 5 = 2

r + 5 = - 2 or r + 5 = 2

r = - 7 or r = - 3

∣ x + 4 ∣ - ∣ x - 2 ∣ = 10

∣ x + 5 ∣ = 17

∣ 3 q + 6 ∣ = 12

∣ 8 x - 3 ∣ + 4 = 49

∣ 4 + 8 x ∣ = 5