(|3b|)/9 =3

Lösung

\frac{∣ 3 b ∣}{9} = 3

b = - 9 or b = 9

Schritte zur Lösung

\frac{∣ 3 b ∣}{9} = 3

Multipliziere beide Seiten mit

9

∣ 3 b ∣ = 27

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 b = - 27 or 3 b = 27

3 b = - 27 or 3 b = 27

b = - 9 or b = 9

∣ 8 x ∣ = 0

∣ 8 x ∣ = 3

∣ 8 x ∣ = 7

∣ p - 2 ∣ = 3

∣ 1 + 9 x ∣ = 10