Answer
The given ordered triple is not a solution of the system.
Work Step by Step
$(-5,1,0)$
$3x+4y-2z=-11$
$3(-5)+4(1)-2(0)=-11$
$-15+4-0=-11$
$-11=-11$
$2x+y-z=11$
$2(-5)+1(1)-1(0)=11$
$-10+1-0=11$
$-9\ne11$
Since $-9\ne11$ we don't even have to check the last equation.
