Rešimo sistem enačb 2x – 3y = 14, 3x + 2y = 2z – 5 in 5x – 2z = 5.
Naloga

Reši naslednje sisteme enačb.

a) x + y + z = 3, x – 2y + z = 0 in 2x + 3y + 4z = 9

b) 2x + 3y + z = –11, 2x – 3y + 4z = –8 in x + y + z = –6

c) 3x + 2y = 7, 5x + 2y + 2z = 5 in 2z + 12 = 3x

© E-um 2008
© E-um 2008
© E-um 2008
© E-um 2008
© E-um 2008
© E-um 2008