5|-4+2m|=40

Lösung

5 ∣ - 4 + 2 m ∣ = 40

m = - 2 or m = 6

Schritte zur Lösung

5 ∣ - 4 + 2 m ∣ = 40

Teile beide Seiten durch

5

∣ - 4 + 2 m ∣ = 8

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

- 4 + 2 m = - 8 or - 4 + 2 m = 8

- 4 + 2 m = - 8 or - 4 + 2 m = 8

m = - 2 or m = 6

∣ x - 3 ∣ + 2 ∣ x ∣ = 5

∣ x ∣ = ∣ 2 x - 4 ∣

5 ∣ x + 3 ∣ - 2 = 18

∣ x ∣ = x^{2} - x

∣ 4 x + 3 ∣ = 16