|7x+8|=1

Lösung

∣ 7 x + 8 ∣ = 1

x = - \frac{9}{7} or x = - 1

Dezimale

x = - 1.28571 \dots, x = - 1

Schritte zur Lösung

∣ 7 x + 8 ∣ = 1

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 x + 8 = - 1 or 7 x + 8 = 1

7 x + 8 = - 1 or 7 x + 8 = 1

x = - \frac{9}{7} or x = - 1

∣ x + 3 ∣ - 3 = 2

q^{1} = 1

x^{2} - 3 x + 1 = 1

∣ 9 q - 5 ∣ = 2 q

∣ - 3 y + 6 ∣ + 5 = 4