1/9 |x-7|=7

Lösung

\frac{1}{9} ∣ x - 7 ∣ = 7

x = - 56 or x = 70

Schritte zur Lösung

\frac{1}{9} ∣ x - 7 ∣ = 7

Multipliziere beide Seiten mit

9

∣ x - 7 ∣ = 63

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 7 = - 63 or x - 7 = 63

x - 7 = - 63 or x - 7 = 63

x = - 56 or x = 70

∣ - v ∣ - 1 = 9

- 5 ∣ 4 p + 4 ∣ = - 40

∣ 7 - 10 r ∣ + 2 = 2

∣ 6 x - 36 ∣ = 0

∣ - 3 x - 7 ∣ = 16