|3X+5|=7

Lösung

∣ 3 X + 5 ∣ = 7

X = - 4 or X = \frac{2}{3}

Dezimale

X = - 4, X = 0.66666 \dots

Schritte zur Lösung

∣ 3 X + 5 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 X + 5 = - 7 or 3 X + 5 = 7

3 X + 5 = - 7 or 3 X + 5 = 7

X = - 4 or X = \frac{2}{3}

16 = 4 ∣ h ∣

\frac{k}{6} - 9 = - 8

2 ∣ 2 x - 3 ∣ = 14

∣ b + 7 ∣ - 3 = 6

- x = ∣ - x ∣ + 4