|1-7x|=13

Lösung

∣ 1 - 7 x ∣ = 13

x = - \frac{12}{7} or x = 2

Dezimale

x = - 1.71428 \dots, x = 2

Schritte zur Lösung

∣ 1 - 7 x ∣ = 13

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

1 - 7 x = - 13 or 1 - 7 x = 13

1 - 7 x = - 13 or 1 - 7 x = 13

x = - \frac{12}{7} or x = 2

∣ 5 + b ∣ = 1

∣ 2 x - 7 ∣ = 5

\frac{x}{7} = 3

∣ x - 2 ∣ = 3 x + 6

6 ∣ x - 3 ∣ = 48