Solve for a
a=\frac{6225-25p}{4}
Solve for p
p=-\frac{4a}{25}+249
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4a=6225-25p
Subtract 25p from both sides.
\frac{4a}{4}=\frac{6225-25p}{4}
Divide both sides by 4.
a=\frac{6225-25p}{4}
Dividing by 4 undoes the multiplication by 4.
25p=6225-4a
Subtract 4a from both sides.
\frac{25p}{25}=\frac{6225-4a}{25}
Divide both sides by 25.
p=\frac{6225-4a}{25}
Dividing by 25 undoes the multiplication by 25.
p=-\frac{4a}{25}+249
Divide 6225-4a by 25.
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