document.write( "Question 286760: Trying to help my son who is a military student in Hawaii!!\r
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\n" ); document.write( "\n" ); document.write( "RZ=2x+5
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\n" ); document.write( "\n" ); document.write( "Rectangle has a line through one diagonal of RZT and the other is SZW \n" ); document.write( "
Algebra.Com's Answer #207944 by Edwin McCravy(20086)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I will assume thie rectangle is like this:\r\n" );
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document.write( "The red line RZ is 2x+5.  \r\n" );
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document.write( "The diagonals of a parallelogram bisect each other.\r\n" );
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document.write( "The red line RZ, which is 2x+5 is one-half of the diagonal RT.\r\n" );
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document.write( "The diagonals of a rectangle are equal.  So\r\n" );
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document.write( "    2(RZ) = RT = SW\r\n" );
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document.write( "    2(RZ) = SW\r\n" );
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document.write( "2(2x + 5) = 5x - 20\r\n" );
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document.write( "  4x + 10 = 5x - 20\r\n" );
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document.write( "       30 = x\r\n" );
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document.write( "Edwin
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