document.write( "Question 999264: 3X-y=5
\n" ); document.write( "X-y=7 \n" ); document.write( "
Algebra.Com's Answer #616951 by mananth(16946)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "3 x -1 y = 5 .............1
\n" ); document.write( "Total value
\n" ); document.write( "1 x -1 y = 7 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by -1
\n" ); document.write( "Multiply (2) by 1
\n" ); document.write( "-3 x 1 y = -5
\n" ); document.write( "1 x -1 y = 7
\n" ); document.write( "Add the two equations
\n" ); document.write( "-2 x = 2
\n" ); document.write( "/ -2
\n" ); document.write( "x = -1
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "3 x -1 y = 5
\n" ); document.write( "-3 -1 y = 5
\n" ); document.write( " -1 y = 5 + 3
\n" ); document.write( " -1 y = 8
\n" ); document.write( " y = -8
\n" ); document.write( " \n" ); document.write( "
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