|r|=9

Lösung

∣ r ∣ = 9

r = - 9 or r = 9

Schritte zur Lösung

∣ r ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

r = - 9 or r = 9

- 5 + 9 ∣ - 5 x - 8 ∣ = - 77

∣ 3 X - 5 ∣ + X - 7 = 0

∣ 6 - p ∣ = 4

∣ - 7 x ∣ = 56

∣ 4 x + 3 ∣ = 5