5=|c+7|

Lösung

5 = ∣ c + 7 ∣

c = - 12 or c = - 2

Schritte zur Lösung

5 = ∣ c + 7 ∣

Tausche die Seiten

∣ c + 7 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

c + 7 = - 5 or c + 7 = 5

c + 7 = - 5 or c + 7 = 5

c = - 12 or c = - 2

so l v e f or x, - 4 ∣ x ∣ = 16

∣ 2 - 3 y ∣ = 33

9 ∣ - 4 n + 5 ∣ + 1 = 64

\frac{∣ 8 k - 1 ∣}{4} = 5

∣ z ∣ = 32