|7x-5|=30

Lösung

∣ 7 x - 5 ∣ = 30

x = - \frac{25}{7} or x = 5

Dezimale

x = - 3.57142 \dots, x = 5

Schritte zur Lösung

∣ 7 x - 5 ∣ = 30

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 x - 5 = - 30 or 7 x - 5 = 30

7 x - 5 = - 30 or 7 x - 5 = 30

x = - \frac{25}{7} or x = 5

2 x^{2} + ∣ 4 x - 3 ∣ = 2 - 5 x

x ∣ x ∣ = 2 x + 1

∣ 2 x - 1 ∣ + 8 = xx

x^{2} = 5 x

- 5 ∣ - 8 m + 1 ∣ + 7 = 7