document.write( "Question 343662: the perimiter of a rectangle is 78 feet. can you help me find the dimensions?\r
\n" ); document.write( "\n" ); document.write( "width
\n" ); document.write( "2x-4
\n" ); document.write( "length
\n" ); document.write( "2x+3
\n" ); document.write( "

Algebra.Com's Answer #245889 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
\"PerimeterOfRectangle+=+2%2ALength+%2B+2%2Awidth\"
\n" ); document.write( "\"78+=+2%2A%282x%2B3%29+%2B+2%2A%282x-4%29\"
\n" ); document.write( "\"78+=+4x+%2B+6+%2B+4x+-+8\"
\n" ); document.write( "\"78+=+8x+-2\"
\n" ); document.write( "\"80+=+8x\"
\n" ); document.write( "\"10+=+x\"
\n" ); document.write( "If x = 10, then
\n" ); document.write( "\"Width+=+2%2A10+-4\"
\n" ); document.write( "\"Width+=+20-4\"
\n" ); document.write( "\"Width+=+16\"
\n" ); document.write( "\"Length+=+2%2A10+%2B+3\"
\n" ); document.write( "\"Length+=+20%2B3\"
\n" ); document.write( "\"Length+=+23\"
\n" ); document.write( "Check your answer
\n" ); document.write( "Does 23+23+16+16 = 78????
\n" ); document.write( "
\n" );