Solve for x, y, z
x=a
y=6a+4
z=a
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z=x y-6x=4 a=z
Reorder the equations.
a=x
Substitute x for z in the equation a=z.
y=4+6x x=a
Solve the second equation for y and the third equation for x.
y=4+6a
Substitute a for x in the equation y=4+6x.
z=a
Substitute a for x in the equation z=x.
x=a y=4+6a z=a
The system is now solved.
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