|-4-x|=7

Lösung

∣ - 4 - x ∣ = 7

x = - 11 or x = 3

Schritte zur Lösung

∣ - 4 - x ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 4 - x = - 7 or - 4 - x = 7

- 4 - x = - 7 or - 4 - x = 7

x = - 11 or x = 3

2 = ∣ 8 p - 10 ∣

∣ x - 4 ∣ = \frac{3}{2}

∣ x ∣ = \frac{- 7}{8}

- 8 ∣ q ∣ = - 8

3 - 3 ∣ 4 + 7 r ∣ = - 93