document.write( "Question 1033134: A certain product has supply and demand functions given by p=7q+21 and p=329-4q, respectively, where p is the pice in dollars and q is the quantity supplied or demanded at price p. What price give market equilibrium? \n" ); document.write( "
Algebra.Com's Answer #647716 by Boreal(15235)\"\" \"About 
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Set 7q+21=329-4q, since each side is equal to the same p.
\n" ); document.write( "11q=308
\n" ); document.write( "q=28
\n" ); document.write( "Solve for p
\n" ); document.write( "p=7(28)+21
\n" ); document.write( "=$217.
\n" ); document.write( "check with other
\n" ); document.write( "329-4(28)=$217.
\n" ); document.write( "
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