-7|-8x-6|=-70

Lösung

- 7 ∣ - 8 x - 6 ∣ = - 70

x = - 2 or x = \frac{1}{2}

Dezimale

x = - 2, x = 0.5

Schritte zur Lösung

- 7 ∣ - 8 x - 6 ∣ = - 70

Teile beide Seiten durch

- 7

∣ - 8 x - 6 ∣ = 10

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 8 x - 6 = - 10 or - 8 x - 6 = 10

- 8 x - 6 = - 10 or - 8 x - 6 = 10

x = - 2 or x = \frac{1}{2}

f (- 2) = ∣ x + 3 ∣, x \leq - 1

- 2 ∣ 3 y + 5 ∣ = 0

- 2 ∣ - 8 x ∣ = - 16

8 - 3 ∣ 5 x - 2 ∣ = - 19

∣ - 5 r ∣ = 10