document.write( "Question 721947: X-y=4
\n" ); document.write( "2x+3y=5 \n" ); document.write( "

Algebra.Com's Answer #442560 by mananth(16946) $\"\"$ $\"About$

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1 x -1 y = 4 .............1
\n" ); document.write( "Total value
\n" ); document.write( "2 x + 3 y = 5 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 3
\n" ); document.write( "Multiply (2) by 1
\n" ); document.write( "3 x -3 y = 12
\n" ); document.write( "2 x + 3 y = 5
\n" ); document.write( "Add the two equations
\n" ); document.write( "5 x = 17
\n" ); document.write( "/ 5
\n" ); document.write( "x = 17/ 5
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "1 x -1 y = 4
\n" ); document.write( "3 -1 y = 4
\n" ); document.write( " -1 y = 4 -3
\n" ); document.write( " -1 y = 1
\n" ); document.write( " y = - 3/ 5
\n" ); document.write( " \n" ); document.write( "

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