|2t+6|=4

Lösung

∣ 2 t + 6 ∣ = 4

t = - 5 or t = - 1

Schritte zur Lösung

∣ 2 t + 6 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 t + 6 = - 4 or 2 t + 6 = 4

2 t + 6 = - 4 or 2 t + 6 = 4

t = - 5 or t = - 1

63 = ∣ 9 c ∣

∣ 5 x + 3 ∣ = 3 x + 7

∣ 3 x + 5 ∣ = 17

∣ - 8 e ∣ = 24

∣ 2 x - 1 ∣ - 7 = x