2|a-17|=10

Lösung

2 ∣ a - 17 ∣ = 10

a = 12 or a = 22

Schritte zur Lösung

2 ∣ a - 17 ∣ = 10

Teile beide Seiten durch

2

∣ a - 17 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

a - 17 = - 5 or a - 17 = 5

a - 17 = - 5 or a - 17 = 5

a = 12 or a = 22

∣ 6 x + 8 ∣ = 6

∣ 4 - 5 x ∣ = 6

∣ - 11 z + 7 ∣ + 8 = 5

\frac{1}{x} + 3 = 2

∣ x + 1 ∣ = x + 1