Solve for x, y, z
z=2x_{2}+35
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y=2x_{2}+3\times 10+5
Substitute 10 for x in the equation y=2x_{2}+3x+5.
y=2x_{2}+35
Solve y=2x_{2}+3\times 10+5 for y.
z=2x_{2}+35
Substitute 2x_{2}+35 for y in the equation z=y.
x=10 y=2x_{2}+35 z=2x_{2}+35
The system is now solved.
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