9|-8-5x|=18

Lösung

9 ∣ - 8 - 5 x ∣ = 18

x = - 2 or x = - \frac{6}{5}

Dezimale

x = - 2, x = - 1.2

Schritte zur Lösung

9 ∣ - 8 - 5 x ∣ = 18

Teile beide Seiten durch

9

∣ - 8 - 5 x ∣ = 2

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 8 - 5 x = - 2 or - 8 - 5 x = 2

- 8 - 5 x = - 2 or - 8 - 5 x = 2

x = - 2 or x = - \frac{6}{5}

2 = ∣ t - 5 ∣

∣ x - 3 ∣ + 5 = 7

∣ x - 3 ∣ + 5 = 4

4 + 4 ∣ 5 x - 2 ∣ = 16

∣ - 9 + n ∣ = 10