1/3 |7-4x|=3

Lösung

\frac{1}{3} ∣ 7 - 4 x ∣ = 3

x = - \frac{1}{2} or x = 4

Dezimale

x = - 0.5, x = 4

Schritte zur Lösung

\frac{1}{3} ∣ 7 - 4 x ∣ = 3

Multipliziere beide Seiten mit

3

∣ 7 - 4 x ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 - 4 x = - 9 or 7 - 4 x = 9

7 - 4 x = - 9 or 7 - 4 x = 9

x = - \frac{1}{2} or x = 4

8 - ∣ 3 x - 15 ∣ = 0

2 ∣ x + 8 ∣ - 4 = 6

7 ∣ 2 x - 7 ∣ = 35

∣ 7 v ∣ + 4 = 11

∣ x + 2 ∣ = 15