Solve for v
v=\frac{9-a}{2}
Solve for a
a=9-2v
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2v=9-a
Subtract a from both sides.
\frac{2v}{2}=\frac{9-a}{2}
Divide both sides by 2.
v=\frac{9-a}{2}
Dividing by 2 undoes the multiplication by 2.
a=9-2v
Subtract 2v from both sides.
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Matrix
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Limits
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