3=|3r-1|

Lösung

3 = ∣ 3 r - 1 ∣

r = - \frac{2}{3} or r = \frac{4}{3}

Dezimale

r = - 0.66666 \dots, r = 1.33333 \dots

Schritte zur Lösung

3 = ∣ 3 r - 1 ∣

Tausche die Seiten

∣ 3 r - 1 ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 r - 1 = - 3 or 3 r - 1 = 3

3 r - 1 = - 3 or 3 r - 1 = 3

r = - \frac{2}{3} or r = \frac{4}{3}

∣ y ∣ + 5 = 0

∣ x ∣ = - 25.1

x^{2} - 8 x + 15 = 0

80 = 2 ∣ s + 60 ∣

8 + ∣ 9 - 2 x ∣ = 28