|x-1|=7

Lösung

∣ x - 1 ∣ = 7

x = - 6 or x = 8

Schritte zur Lösung

∣ x - 1 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

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

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

x = - 6 or x = 8

3 z - 5.4 > 16.3 - 4 z

f a c t or 2 (x + 1)^{2} + x + 1

2 x + 1 = 4

x^{2} - 5 \leq 2 x + 3

7 \leq ∣ x ∣ \leq 9