document.write( "Question 178640: Find the value of x and y if: 5x -3y = 35 and y = x-y \n" ); document.write( "
Algebra.Com's Answer #133594 by checkley75(3666)\"\" \"About 
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5x -3y = 35
\n" ); document.write( "y = x-y or x=2y
\n" ); document.write( "5(2y)-3y=35
\n" ); document.write( "10y-3y=35
\n" ); document.write( "7y=35
\n" ); document.write( "y=35'7
\n" ); document.write( "y=5 ans.
\n" ); document.write( "x=2*5
\n" ); document.write( "x=10 ans.
\n" ); document.write( "Proof
\n" ); document.write( "5*10-3*5=35
\n" ); document.write( "50-15=35
\n" ); document.write( "35=35
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