|5n+7|=23

Lösung

∣ 5 n + 7 ∣ = 23

n = - 6 or n = \frac{16}{5}

Dezimale

n = - 6, n = 3.2

Schritte zur Lösung

∣ 5 n + 7 ∣ = 23

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 n + 7 = - 23 or 5 n + 7 = 23

5 n + 7 = - 23 or 5 n + 7 = 23

n = - 6 or n = \frac{16}{5}

\frac{3 + x}{2} = 5 + x

∣ 4 y + 3 ∣ = 5

∣ - 12 y + 2 ∣ + 9 = 8

- 4 = ∣ f ∣ - 2

∣ 9 - 9 p ∣ = 0