7=| c/7 |

Lösung

7 = \frac{c}{7}

c = - 49 or c = 49

Schritte zur Lösung

7 = \frac{c}{7}

Tausche die Seiten

\frac{c}{7} = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

\frac{c}{7} = - 7 or \frac{c}{7} = 7

\frac{c}{7} = - 7 or \frac{c}{7} = 7

c = - 49 or c = 49

2 ∣ x - 12 ∣ + 5 = 3

∣ q ∣ = - 7

∣ 5 - 3 x ∣ = 7

9 - 8 ∣ r - 5 ∣ = 25

2 ∣ x + 5 ∣ = 16