4=|2(x+5)-3|

Lösung

4 = ∣ 2 (x + 5) - 3 ∣

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

Dezimale

x = - 5.5, x = - 1.5

Schritte zur Lösung

4 = ∣ 2 (x + 5) - 3 ∣

Tausche die Seiten

∣ 2 (x + 5) - 3 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 (x + 5) - 3 = - 4 or 2 (x + 5) - 3 = 4

2 (x + 5) - 3 = - 4 or 2 (x + 5) - 3 = 4

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

∣ 7 x + 1 ∣ = 3

∣ - 7 x ∣ = 7

∣ - x + 1 ∣ = - 10

∣ x - 1 ∣ = 3 x - 5

∣ x - 1 ∣ = 3 x - 9