Solce the system using the linear combination method.

5x-3y+2z=3
2x+4y-z=7
x-11y+4y=3

I already knw that there is no soulution for it but its not coming up like that on my work.

1 answer

first equation + twice the second yields
9x + 5y = 17

double the first equation - last equation yields
9x + 5y = 3

thus no solution.