|5x+7|=38

Lösung

∣ 5 x + 7 ∣ = 38

x = - 9 or x = \frac{31}{5}

Dezimale

x = - 9, x = 6.2

Schritte zur Lösung

∣ 5 x + 7 ∣ = 38

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 x + 7 = - 38 or 5 x + 7 = 38

5 x + 7 = - 38 or 5 x + 7 = 38

x = - 9 or x = \frac{31}{5}

3 - \frac{1}{4} x = 4

5 = ∣ x ∣

∣ X + 10 ∣ + 2 = 5

∣ z + 1 ∣ = 1

∣ x + (- 3) ∣ = 25