7|x-3|=21

Lösung

7 ∣ x - 3 ∣ = 21

x = 0 or x = 6

Schritte zur Lösung

7 ∣ x - 3 ∣ = 21

Teile beide Seiten durch

7

∣ x - 3 ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 3 = - 3 or x - 3 = 3

x - 3 = - 3 or x - 3 = 3

x = 0 or x = 6

7 ∣ x - 3 ∣ = 28

∣ 1 - 3 t ∣ + 6 = 16

∣ x - 1 ∣ = 1, y = 5

\frac{1}{8} ∣ 2 - 3 x ∣ = 5

∣ 7 x - 5 ∣ = 30