|7-4x|=3

Lösung

∣ 7 - 4 x ∣ = 3

x = 1 or x = \frac{5}{2}

Dezimale

x = 1, x = 2.5

Schritte zur Lösung

∣ 7 - 4 x ∣ = 3

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 - 4 x = - 3 or 7 - 4 x = 3

7 - 4 x = - 3 or 7 - 4 x = 3

x = 1 or x = \frac{5}{2}

6 ∣ x ∣ = 24

∣ 3 x - 9 ∣ = 21

∣ 6 p - 4 ∣ - 10 = 0

4 ∣ x + 7 ∣ = 16

so l v e f or y, x = ∣ y + 4 ∣