|2x|=7

Lösung

∣ 2 x ∣ = 7

x = - \frac{7}{2} or x = \frac{7}{2}

Dezimale

x = - 3.5, x = 3.5

Schritte zur Lösung

∣ 2 x ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x = - 7 or 2 x = 7

2 x = - 7 or 2 x = 7

x = - \frac{7}{2} or x = \frac{7}{2}

∣ x - 9 ∣ = 18

∣ 4 n - 7 ∣ = 7

∣ u - 6 ∣ + 7 = 71

∣ 4 - 3 w ∣ = ∣ 3 w - 5 ∣

- 9 ∣ 10 p - 5 ∣ = - 45