Solve for x
x=\frac{21z-32y}{11}
Solve for y
y=\frac{21z-11x}{32}
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550x=1050z-1600y
Subtract 1600y from both sides.
\frac{550x}{550}=\frac{1050z-1600y}{550}
Divide both sides by 550.
x=\frac{1050z-1600y}{550}
Dividing by 550 undoes the multiplication by 550.
x=\frac{21z-32y}{11}
Divide 1050z-1600y by 550.
1600y=1050z-550x
Subtract 550x from both sides.
\frac{1600y}{1600}=\frac{1050z-550x}{1600}
Divide both sides by 1600.
y=\frac{1050z-550x}{1600}
Dividing by 1600 undoes the multiplication by 1600.
y=\frac{21z-11x}{32}
Divide 1050z-550x by 1600.
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