7|2x-7|=35

Lösung

7 ∣ 2 x - 7 ∣ = 35

x = 1 or x = 6

Schritte zur Lösung

7 ∣ 2 x - 7 ∣ = 35

Teile beide Seiten durch

7

∣ 2 x - 7 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x - 7 = - 5 or 2 x - 7 = 5

2 x - 7 = - 5 or 2 x - 7 = 5

x = 1 or x = 6

∣ 7 v ∣ + 4 = 11

∣ x + 2 ∣ = 15

- 3 - ∣ 7 k - 3 ∣ = 14

∣ 2 + 3 t ∣ = 6 + 5 t

5 + 3 ∣ - 5 v - 1 ∣ = 2