|2z-1|=4

Lösung

∣ 2 z - 1 ∣ = 4

z = - \frac{3}{2} or z = \frac{5}{2}

Dezimale

z = - 1.5, z = 2.5

Schritte zur Lösung

∣ 2 z - 1 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 z - 1 = - 4 or 2 z - 1 = 4

2 z - 1 = - 4 or 2 z - 1 = 4

z = - \frac{3}{2} or z = \frac{5}{2}

∣ 5 x + 9 ∣ = x

3 ∣ 2 k - 8 ∣ + 3 = 69

∣ 13 x + 12 ∣ = 19

- 3 ∣ p ∣ = - 3

- 3 ∣ p ∣ = - 6