|3x+2|=7

Lösung

∣ 3 x + 2 ∣ = 7

x = - 3 or x = \frac{5}{3}

Dezimale

x = - 3, x = 1.66666 \dots

Schritte zur Lösung

∣ 3 x + 2 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x + 2 = - 7 or 3 x + 2 = 7

3 x + 2 = - 7 or 3 x + 2 = 7

x = - 3 or x = \frac{5}{3}

∣ a - 11 ∣ = 13

2 ∣ x + 9 ∣ + 3 = 7

∣ 14 - 3 b ∣ = 5

∣ 15 - 3 b ∣ = 21

∣ y - 3 ∣ = 7