|4x+2|=5

Lösung

∣ 4 x + 2 ∣ = 5

x = - \frac{7}{4} or x = \frac{3}{4}

Dezimale

x = - 1.75, x = 0.75

Schritte zur Lösung

∣ 4 x + 2 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 x + 2 = - 5 or 4 x + 2 = 5

4 x + 2 = - 5 or 4 x + 2 = 5

x = - \frac{7}{4} or x = \frac{3}{4}

2 x + 1 < 9

1 < 2 x + 3 < 9

s im pl i f y 15 (3)

(9 + 5 x) + (2 x - 12) = 180

f a c t or 20 x^{2} + 8 x