|3a|=30

Lösung

∣ 3 a ∣ = 30

a = - 10 or a = 10

Schritte zur Lösung

∣ 3 a ∣ = 30

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 a = - 30 or 3 a = 30

3 a = - 30 or 3 a = 30

a = - 10 or a = 10

- 5 X \geq 25

s im pl i f y 3 - 64

4 x^{2} + 17 x + 4 = 0

1 - 2 x \geq 3

\frac{2 x}{5} = \frac{9}{15}