|-7x|=56

Lösung

∣ - 7 x ∣ = 56

x = - 8 or x = 8

Schritte zur Lösung

∣ - 7 x ∣ = 56

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 7 x = - 56 or - 7 x = 56

- 7 x = - 56 or - 7 x = 56

x = - 8 or x = 8

∣ 4 x + 3 ∣ = 5

∣ 4 a - 8 ∣ = 8

∣ - 2 x - 12 ∣ = 10

2 = ∣ m + 23 ∣

- 7 ∣ - 8 x - 6 ∣ = - 70