Solve for x, y, z
z=35
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y=35 1000x-999q=b\times 7 z=y
Reorder the equations.
z=35
Substitute 35 for y in the equation z=y.
x=\frac{999}{1000}q+\frac{7}{1000}b
Solve 1000x-999q=b\times 7 for x.
x=\frac{999}{1000}q+\frac{7}{1000}b y=35 z=35
The system is now solved.
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