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sol:xy=x+6 this is 1st equation
\n" ); document.write( "x-2y=2 this is 2nd equation
\n" ); document.write( "take 2nd equation
\n" ); document.write( "x-2y=2
\n" ); document.write( "adding 2y on both sides
\n" ); document.write( "x-2y+2y=2+2y
\n" ); document.write( "x=2+2y
\n" ); document.write( "substitute x value in 1st equation
\n" ); document.write( "xy=x+6
\n" ); document.write( "(2+2y)*y=2+2y+6
\n" ); document.write( "2*y+2*2y=8+2y
\n" ); document.write( "2y+4y=8+2y
\n" ); document.write( "6y=8+2y
\n" ); document.write( "subtracting 2y on both sides
\n" ); document.write( "6y-2y=8+2y-2y
\n" ); document.write( "4y=8
\n" ); document.write( "dividing 4 on both sides
\n" ); document.write( "4y/4=8/4
\n" ); document.write( "y=2
\n" ); document.write( "substitute this value in 2nd equation we get x value
\n" ); document.write( "x-2y=2
\n" ); document.write( "x-2*2=2
\n" ); document.write( "x-4=2
\n" ); document.write( "adding 4 on both sides
\n" ); document.write( "x-4+4=2+4
\n" ); document.write( "x=6
\n" ); document.write( "check these values satisfie the equation or not
\n" ); document.write( "take 2nd equation
\n" ); document.write( "x-2y=2
\n" ); document.write( "6-2*2=2
\n" ); document.write( "6-4=2
\n" ); document.write( "2=2
\n" ); document.write( "take 1st equation xy=x+6
\n" ); document.write( "6*2=6+6
\n" ); document.write( "12=12
\n" ); document.write( "these values satisfy both equations
\n" ); document.write( " \n" ); document.write( "