document.write( "Question 264866: A rectangle has length x units and width y units. The rectangle has the
\n" ); document.write( "same perimeter as an equilateral triangle with a side of m units.Find x in terms of m and y.\r
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\n" ); document.write( "\n" ); document.write( "(A) m + y (B) m - y (C) 3m - 2y (D) 1/2(m+y) (E) 1/2(3m-2y)
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Algebra.Com's Answer #194888 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
2x+2y=p for the rectangle
\n" ); document.write( "m+m+m=p for equilateral triangle
\n" ); document.write( "the rectangle \"p\" = the triangle \"p\"
\n" ); document.write( "\"2x%2B2y=3m\" solve for x
\n" ); document.write( "\"2x%2B2y-2y=3m-2y\"
\n" ); document.write( "\"2x=3m-y\"
\n" ); document.write( "\"%282x%29%2F2=%283m-2y%29%2F2\"
\n" ); document.write( "\"x=%283m-2y%29%2F2\"or\"x=%281%2F2%29%283m-2y%29\"\r
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