Solve for x, y, z
x=3b-4
y=6b-2
z=6
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z=6 x=3b+2-z y=2x+6
Reorder the equations.
x=3b+2-6
Substitute 6 for z in the equation x=3b+2-z.
x=3b-4
Solve x=3b+2-6 for x.
y=6+2\left(3b-4\right)
Substitute 3b-4 for x in the equation y=6+2x.
y=-2+6b
Calculate y from y=6+2\left(3b-4\right).
x=3b-4 y=-2+6b z=6
The system is now solved.
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