document.write( "Question 715238: Hi, how do you solve x+2/2 - y+4/3=3 and x+y/5=x - y/2 - 5/2 \n" ); document.write( "
Algebra.Com's Answer #439321 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"%28%28x%2B2%29%2F2+%29-+%28%28y%2B4%29%2F3%29=3\"\r
\n" ); document.write( "\n" ); document.write( "LCD = 6\r
\n" ); document.write( "\n" ); document.write( "multiply equation by 6\r
\n" ); document.write( "\n" ); document.write( " \"%283%28x%2B2%29%2F2+%29-+%286%28y%2B4%29%2F3%29=6%2A3\"\r
\n" ); document.write( "\n" ); document.write( "3(x+2)-6(y+4) = 18\r
\n" ); document.write( "\n" ); document.write( "3x+6-6y-24=18\r
\n" ); document.write( "\n" ); document.write( "3x-6y = 36
\n" ); document.write( "/3
\n" ); document.write( "x-2y=12.......................(1)\r
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( " \"%28%28x%2By%29%2F5%29=%28%28x+-+y%29%2F2%29+-+5%2F2\"\r
\n" ); document.write( "\n" ); document.write( "LCD = 10
\n" ); document.write( "multiply eauation by 10\r
\n" ); document.write( "\n" ); document.write( "we get
\n" ); document.write( "2(x+y)= 5(x-y)-25\r
\n" ); document.write( "\n" ); document.write( "2x+2y=5x-5y-25
\n" ); document.write( "7y-3x=-25.......................(2)\r
\n" ); document.write( "\n" ); document.write( "Solve equation (1) & (2)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "1 x -2 y = 12 .............1
\n" ); document.write( "Total value
\n" ); document.write( "-3 x + 7 y = -25 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 7
\n" ); document.write( "Multiply (2) by 2
\n" ); document.write( "7 x -14 y = 84
\n" ); document.write( "-6 x + 14 y = -50
\n" ); document.write( "Add the two equations
\n" ); document.write( "1 x = 34
\n" ); document.write( "/ 1
\n" ); document.write( "x = 34
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "1 x -2 y = 12
\n" ); document.write( "34 -2 y = 12
\n" ); document.write( " -2 y = 12 -34
\n" ); document.write( " -2 y = -22
\n" ); document.write( " y = 11
\n" ); document.write( "x= 34
\n" ); document.write( "y= 11
\n" ); document.write( "(34,11) is the solution
\n" ); document.write( "m.ananth@hotmail.ca \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );