4|2x^7|=16

Lösung

4 2 x^{7} = 16

x = - 72 or x = 72

Dezimale

x = - 1.10408 \dots, x = 1.10408 \dots

Schritte zur Lösung

4 2 x^{7} = 16

Teile beide Seiten durch

4

2 x^{7} = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 x^{7} = - 4 or 2 x^{7} = 4

2 x^{7} = - 4 or 2 x^{7} = 4

x = - 72 or x = 72

4 ∣ 3 y - 3 ∣ = 0

∣ 3 x - 5 ∣ = 2 x + 1

3 ∣ y + 3 ∣ - 12 = 0

∣ 8 u - 8 ∣ = 0

\frac{7}{2} x + 3 = - 5