Solve for x, y, z

x=0<br/>y=0<br/>z=0

$x=0$

$y=0$

$z=0$

$y=0$

$z=0$

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x=y

Calculate x from x=1y.

z=3y

Substitute y for x in the equation z=3x.

z=3\times 7z

Substitute 7z for y in the equation z=3y.

z=0

Solve z=3\times 7z for z.

y=7\times 0

Substitute 0 for z in the equation y=7z.

y=0

Calculate y from y=7\times 0.

x=0

Substitute 0 for y in the equation x=y.

x=0 y=0 z=0

The system is now solved.

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