|5y-4|=7

Lösung

∣ 5 y - 4 ∣ = 7

y = - \frac{3}{5} or y = \frac{11}{5}

Dezimale

y = - 0.6, y = 2.2

Schritte zur Lösung

∣ 5 y - 4 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 y - 4 = - 7 or 5 y - 4 = 7

5 y - 4 = - 7 or 5 y - 4 = 7

y = - \frac{3}{5} or y = \frac{11}{5}

4 ∣ x - 4 ∣ + 4 = 5 - x

12 = ∣ - 3 d ∣

8 - 3 ∣ x + 4 ∣ = 4

x^{2} - 2 x = 8

3 ∣ x - 5 ∣ - 14 = - 2