document.write( "Question 1008176: { 1/5 x + 1/7y = 23/5
\n" ); document.write( " 1/7x + 1/5x = 13/5\r
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Algebra.Com's Answer #803100 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
Add both equations:\r
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\n" ); document.write( "\n" ); document.write( "12x/35 + 12y/35 = 36/5\r
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\n" ); document.write( "\n" ); document.write( "x + y = (36/5)/(12/35) = 21
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