1/5 |3x+8|=7

Lösung

\frac{1}{5} ∣ 3 x + 8 ∣ = 7

x = - \frac{43}{3} or x = 9

Dezimale

x = - 14.33333 \dots, x = 9

Schritte zur Lösung

\frac{1}{5} ∣ 3 x + 8 ∣ = 7

Multipliziere beide Seiten mit

5

∣ 3 x + 8 ∣ = 35

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x + 8 = - 35 or 3 x + 8 = 35

3 x + 8 = - 35 or 3 x + 8 = 35

x = - \frac{43}{3} or x = 9

∣ - 6 q - 200 ∣ = 160

∣ 5 x + 10 ∣ = 0

3 ∣ 2 x + 3 ∣ + 4 = 14

∣ 3 x + 9 ∣ = 0

∣ 3 x + 9 ∣ = 6