|4k-2|=11

Lösung

∣ 4 k - 2 ∣ = 11

k = - \frac{9}{4} or k = \frac{13}{4}

Dezimale

k = - 2.25, k = 3.25

Schritte zur Lösung

∣ 4 k - 2 ∣ = 11

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 k - 2 = - 11 or 4 k - 2 = 11

4 k - 2 = - 11 or 4 k - 2 = 11

k = - \frac{9}{4} or k = \frac{13}{4}

x^{2} + 4 x - 5 = 7

x^{2} - 6 = ∣ 5 x ∣

∣ 3 x - 8 ∣ - ∣ 3 x - 2 ∣ = 6

∣ 3 - 3 x ∣ = 5

so l v e f or y, ∣ x + y ∣ = 1