document.write( "Question 804678: Together a chair, a table, and a lamp cost $562. The chair costs 4 times as much as the lamp, and the table costs $23 less than the chair. Find the cost of the table. \n" ); document.write( "
Algebra.Com's Answer #484929 by erica65404(394)\"\" \"About 
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chairs =x table=y lamp=z
\n" ); document.write( "x+y+z=562
\n" ); document.write( "x=4z
\n" ); document.write( "y=x-23
\n" ); document.write( "first plug x into x+y+z=562
\n" ); document.write( "4z+y+z=562
\n" ); document.write( "y+5z=562
\n" ); document.write( "y=-5z+562
\n" ); document.write( "now plug x into y=x-23
\n" ); document.write( "y=4z-23
\n" ); document.write( "plug this into y=-5z+562
\n" ); document.write( "-5z+562=4z-23
\n" ); document.write( "-9z=-585
\n" ); document.write( "z=65
\n" ); document.write( "now plug z into y=4z-23
\n" ); document.write( "y=4(65)-23
\n" ); document.write( "y=237
\n" ); document.write( "The table is $237
\n" ); document.write( "
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