6=|-2r|

Lösung

6 = ∣ - 2 r ∣

r = - 3 or r = 3

Schritte zur Lösung

6 = ∣ - 2 r ∣

Tausche die Seiten

∣ - 2 r ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 2 r = - 6 or - 2 r = 6

- 2 r = - 6 or - 2 r = 6

r = - 3 or r = 3

90 = - 9 ∣ x - 5 ∣

∣ 6 u + 12 ∣ = 6

5 ∣ 6 x + 2 ∣ + 5 = 3

300 = ∣ z - 100 ∣

- 7 ∣ 10 + 3 m ∣ - 7 = - 68