Aufgaben-Hilfe
Lineare
Glei-
chungs-
systeme
Seite 119, Nr. 1.9:
4 - [(x - 5) / 4] = [(x + 1) / 2] - [(x - 3) / 3]
* HN = 12
48 - 3(x - 5) = 6(x + 1) - 4(x - 3)
48 - 3x + 15 = 6x + 6 - 4x + 12
63 - 3x = 2x + 18
- 2x
63 - 5x = 18
- 63
- 5x = - 45
/ (-5)
x = 9
Fragen
karlheinz@luk-korbmacher.de