|-2n+6|=6

Lösung

∣ - 2 n + 6 ∣ = 6

n = 0 or n = 6

Schritte zur Lösung

∣ - 2 n + 6 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 2 n + 6 = - 6 or - 2 n + 6 = 6

- 2 n + 6 = - 6 or - 2 n + 6 = 6

n = 0 or n = 6

- 9 + x = - 5

3 x + 7 - 2 x > 4 x - 3 + 2 x

s im pl i f y (- 3)^{- 3}

x^{2} + 11 x = - 10

x - 8 > - 3