document.write( "Question 250047: Use substitution to solve the linear system\r
\n" ); document.write( "\n" ); document.write( "The value of your EFG stock is three times the value of your PQR stock. If the total value if the stocks is $4500, how much is invested in each company?
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Algebra.Com's Answer #182108 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
EFG=3*PQR
\n" ); document.write( "EFG+PQR=4500
\n" ); document.write( "substitute 3*PQR for EFG
\n" ); document.write( "PQR+3*PQR=4500
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