document.write( "Question 947297: In a rectangle, one side equals 4y-13 and its opposite side equals 15-x. The other side equals 3x-5 and its opposite side equals y+1. Find x and y. \n" ); document.write( "
Algebra.Com's Answer #578002 by MathLover1(20850)\"\" \"About 
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In a rectangle, two opposite sides are parallel and equal in length.\r
\n" ); document.write( "\n" ); document.write( "so, if in a rectangle, one side equals \"4y-13\" and its opposite side equals \"15-x\", then\r
\n" ); document.write( "\n" ); document.write( "\"4y-13=15-x\".........solve for \"x\"
\n" ); document.write( "\"x=-4y%2B13%2B15\"
\n" ); document.write( "\"x=-4y%2B28\"......eq.1\r
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\n" ); document.write( "\n" ); document.write( "if the other side equals \"3x-5\" and its opposite side equals \"y%2B1\", then\r
\n" ); document.write( "\n" ); document.write( "\"3x-5=y%2B1\"........solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"3x=y%2B1%2B5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2F3%2B6%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2F3%2B2\"......eq.2\r
\n" ); document.write( "\n" ); document.write( "left sides of eq.1 and eq.2 are same, so make right sides same too\r
\n" ); document.write( "\n" ); document.write( "\"y%2F3%2B2=-4y%2B28\"......solve for \"y\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2F3%2B4y=-2%2B28\"\r
\n" ); document.write( "\n" ); document.write( "\"y%2F3%2B12y%2F3=26\"\r
\n" ); document.write( "\n" ); document.write( "\"13y%2F3=26\"\r
\n" ); document.write( "\n" ); document.write( "\"13y=26%2A3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%28cross%2826%292%2A3%29%2Fcross%2813%291\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=6%29\"\r
\n" ); document.write( "\n" ); document.write( "now find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2F3%2B2\"......eq.2\r
\n" ); document.write( "\n" ); document.write( "\"x=6%2F3%2B2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=2%2B2\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=4%29\"\r
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