3|x-5|=27

Lösung

3 ∣ x - 5 ∣ = 27

x = - 4 or x = 14

Schritte zur Lösung

3 ∣ x - 5 ∣ = 27

Teile beide Seiten durch

3

∣ x - 5 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 5 = - 9 or x - 5 = 9

x - 5 = - 9 or x - 5 = 9

x = - 4 or x = 14

∣ x - 3 ∣ + 2 = 5

∣ 7 - 4 b ∣ = 47

\frac{3}{4} a - 3 = 9

∣ 2 x + 5 ∣ = 13

- 5 ∣ 6 a + 21 ∣ = - 15