Answer
We can verify the equations by substituting in the given $x$, $y$ and $z$ values and then check if the equalities still hold.
Here:
$3x+3y+2z=3(2)+3(-2)+2(2)=6-6+4=4$, which is correct.
$x-3y+z=2-3(-2)+2=2+6+2=10$, which is correct.
$5x-2y-3z=5(2)-2(-2)-3(2)=10+4-6=8$, which is correct.
Work Step by Step
We can verify the equations by substituting in the given $x$, $y$ and $z$ values and then check if the equalities still hold.
Here:
$3x+3y+2z=3(2)+3(-2)+2(2)=6-6+4=4$, which is correct.
$x-3y+z=2-3(-2)+2=2+6+2=10$, which is correct.
$5x-2y-3z=5(2)-2(-2)-3(2)=10+4-6=8$, which is correct.