|5-b|= 5/2

Lösung

∣ 5 - b ∣ = \frac{5}{2}

b = \frac{5}{2} or b = \frac{15}{2}

Dezimale

b = 2.5, b = 7.5

Schritte zur Lösung

∣ 5 - b ∣ = \frac{5}{2}

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

5 - b = - \frac{5}{2} or 5 - b = \frac{5}{2}

5 - b = - \frac{5}{2} or 5 - b = \frac{5}{2}

b = \frac{5}{2} or b = \frac{15}{2}

∣ 10 - 5 x ∣ - 7 = 18

7 ∣ - 2 x + 5 ∣ - 10 = - 11

3 + 5 ∣ 7 - 3 x ∣ = 23

- 7 ∣ x ∣ = 28

∣ x + 8 ∣ - 1 = 2