document.write( "Question 139146: 3x-5y=5
\n" ); document.write( "y=x/2
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Algebra.Com's Answer #101478 by checkley77(12844)\"\" \"About 
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3x-5y=5
\n" ); document.write( "y=x/2
\n" ); document.write( "replace y in the first equation by (x/2) & solve for x
\n" ); document.write( "3x-5(x/2)=5
\n" ); document.write( "3x-5x/2=5
\n" ); document.write( "3x-2.5x=5
\n" ); document.write( ".5x=5
\n" ); document.write( "x=5/.5
\n" ); document.write( "x=10 answer.
\n" ); document.write( "y=10/2
\n" ); document.write( "y=5 answer.
\n" ); document.write( "proof
\n" ); document.write( "3*10-5*5=5
\n" ); document.write( "30-25=5
\n" ); document.write( "5=5
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