|x+7|=13

Lösung

∣ x + 7 ∣ = 13

x = - 20 or x = 6

Schritte zur Lösung

∣ x + 7 ∣ = 13

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x + 7 = - 13 or x + 7 = 13

x + 7 = - 13 or x + 7 = 13

x = - 20 or x = 6

∣ 6 x - 5 ∣ - 11 = - 8

∣ x + 7 ∣ = - 1

∣ 6 x - 3 ∣ = 5

\frac{2}{3} x - 6 = 2

2 ∣ 8 t + 4 ∣ + 5 = 14