4|2x+7|=16

Lösung

4 ∣ 2 x + 7 ∣ = 16

x = - \frac{11}{2} or x = - \frac{3}{2}

Dezimale

x = - 5.5, x = - 1.5

Schritte zur Lösung

4 ∣ 2 x + 7 ∣ = 16

Teile beide Seiten durch

4

∣ 2 x + 7 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x + 7 = - 4 or 2 x + 7 = 4

2 x + 7 = - 4 or 2 x + 7 = 4

x = - \frac{11}{2} or x = - \frac{3}{2}

5 ∣ 6 - 5 x ∣ = 15 x - 35

- 2 ∣ 5 x - 1 ∣ - 3 = - 11

2 ∣ 4 - n ∣ = - 3 n

7 ∣ 12 x + 3 ∣ - 1 = 62

∣ 2 x - 3 ∣ = 3 - 2 x