|9+4d|=15

Lösung

∣ 9 + 4 d ∣ = 15

d = - 6 or d = \frac{3}{2}

Dezimale

d = - 6, d = 1.5

Schritte zur Lösung

∣ 9 + 4 d ∣ = 15

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

9 + 4 d = - 15 or 9 + 4 d = 15

9 + 4 d = - 15 or 9 + 4 d = 15

d = - 6 or d = \frac{3}{2}

5 - \frac{3}{4} k = 7

0 = ∣ 3 x + 1 ∣ - 5

∣ 4 n - 9 ∣ = - 5

∣ m - 6.8 ∣ = 0

∣ 5 x - 2 ∣ = 3 x - 6