document.write( "Question 991449: the length of a rectangle is 4 centimeters more than twice its width.If the perimeter of the rectangle is 86 centimeters,find the dimensions of the rectangle.
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Algebra.Com's Answer #611413 by Cromlix(4381) You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make Width = 'x' \n" ); document.write( "Length = 4 + 2x \n" ); document.write( "Perimeter = 2 x Width + 2 x Length \n" ); document.write( "86 = 2(x) + 2(4 + 2x) \n" ); document.write( "86 = 2x + 8 + 4x \n" ); document.write( "Collect like terms: \n" ); document.write( "2x + 4x = 86 - 8 \n" ); document.write( "6x = 78 \n" ); document.write( "x = 13 \n" ); document.write( "Width = 13 cm \n" ); document.write( "Length = 30 cm \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |