Question

Need help with a math problem?


Solve the system of equation below. If the equations of a sytem are dependent ( the system has infinitely many solutions) or if a system is inconsistent.
-2x+5y+z=-3

5x+14y-z= -11

7x+9y-2z= -5

Answer 1

know cramers's rule?

Answer 2

notice if you multiply the first equation by -1 and add it to the second equation you'll end up with what's on the left of that 3rd equation.

Answer 3

*cramer's

Answer 4

not really

Answer 5

@apoorvk ,... this rule?

Answer 6

nothing poped up

Answer 7

ROFLBMFO!!!!!!! I am gonna watch Seinfeld now!!! :P

Answer 8

i was laughing so hard - it should actually be - "ROFLMFBO" :D

Answer 9

third one is a linear combination of the first two
what dpalnc said

Answer 10

oh okay