-3|5x-4|=-33

Lösung

- 3 ∣ 5 x - 4 ∣ = - 33

x = - \frac{7}{5} or x = 3

Dezimale

x = - 1.4, x = 3

Schritte zur Lösung

- 3 ∣ 5 x - 4 ∣ = - 33

Teile beide Seiten durch

- 3

∣ 5 x - 4 ∣ = 11

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 x - 4 = - 11 or 5 x - 4 = 11

5 x - 4 = - 11 or 5 x - 4 = 11

x = - \frac{7}{5} or x = 3

\frac{2 x - 10}{7} = 7

8 - 2 ∣ 3 n + 7 ∣ = - 54

- 5 ∣ m ∣ = 5

2 ∣ 8 x + 1 ∣ + 1 = 6

3 ∣ y + 4 ∣ - 9 = 0