-6|r|=-7

Lösung

- 6 ∣ r ∣ = - 7

r = - \frac{7}{6} or r = \frac{7}{6}

Dezimale

r = - 1.16666 \dots, r = 1.16666 \dots

Schritte zur Lösung

- 6 ∣ r ∣ = - 7

Teile beide Seiten durch

- 6

∣ r ∣ = \frac{7}{6}

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

r = - \frac{7}{6} or r = \frac{7}{6}

so l v e f or x, ∣ 3 x + 12 ∣ = 9

∣ 6 r + 4 ∣ = 6 r + 4

2 ∣ - 6 x + 2 ∣ + 1 = 21

15 = x + ∣ x - 5 ∣

3 ∣ 2 x - 3 ∣ + 2 = 2