Solve for x
x=-\frac{100y}{63}+\frac{221}{21}
Solve for y
y=\frac{663-63x}{100}
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-0.63x+6.63=y
Swap sides so that all variable terms are on the left hand side.
-0.63x=y-6.63
Subtract 6.63 from both sides.
\frac{-0.63x}{-0.63}=\frac{y-6.63}{-0.63}
Divide both sides of the equation by -0.63, which is the same as multiplying both sides by the reciprocal of the fraction.
x=\frac{y-6.63}{-0.63}
Dividing by -0.63 undoes the multiplication by -0.63.
x=-\frac{100y}{63}+\frac{221}{21}
Divide y-6.63 by -0.63 by multiplying y-6.63 by the reciprocal of -0.63.
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