-2|-2k+1|=-18

Lösung

- 2 ∣ - 2 k + 1 ∣ = - 18

k = - 4 or k = 5

Schritte zur Lösung

- 2 ∣ - 2 k + 1 ∣ = - 18

Teile beide Seiten durch

- 2

∣ - 2 k + 1 ∣ = 9

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 2 k + 1 = - 9 or - 2 k + 1 = 9

- 2 k + 1 = - 9 or - 2 k + 1 = 9

k = - 4 or k = 5

1 = ∣ 5 x + 9 ∣ + 6

∣ 4 x + 6 ∣ - 4 x = - 10

∣ 13 + 4 y ∣ = 13

\frac{t}{2} = 15

- 8 = ∣ x ∣