|4n-7|=7

Lösung

∣ 4 n - 7 ∣ = 7

n = 0 or n = \frac{7}{2}

Dezimale

n = 0, n = 3.5

Schritte zur Lösung

∣ 4 n - 7 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 n - 7 = - 7 or 4 n - 7 = 7

4 n - 7 = - 7 or 4 n - 7 = 7

n = 0 or n = \frac{7}{2}

∣ u - 6 ∣ + 7 = 71

∣ 4 - 3 w ∣ = ∣ 3 w - 5 ∣

- 9 ∣ 10 p - 5 ∣ = - 45

3 ∣ 2 x + 1 ∣ - 3 = 9

∣ x + 4 ∣ + ∣ x - 2 ∣ = 1