|7x+8|=6

Lösung

∣ 7 x + 8 ∣ = 6

x = - 2 or x = - \frac{2}{7}

Dezimale

x = - 2, x = - 0.28571 \dots

Schritte zur Lösung

∣ 7 x + 8 ∣ = 6

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 x + 8 = - 6 or 7 x + 8 = 6

7 x + 8 = - 6 or 7 x + 8 = 6

x = - 2 or x = - \frac{2}{7}

3 ∣ p - 4 ∣ = 3

2 ∣ 5 - w ∣ - 9 = 1

3 ∣ 5 x + 3 ∣ + 7 = 13

∣ r ∣ - 7 = - 7

9 - 5 ∣ - x - 3 ∣ = - 16