document.write( "Question 590890: Solve each system of equations 4x-y=-5 4x-3y=8
\n" ); document.write( " -2x+1/2y=1 2x+y=14 \n" ); document.write( "
Algebra.Com's Answer #375337 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
1 x + 1 y = -5 .............1
\n" ); document.write( "4 x -3 y = 8 .............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 = -15
\n" ); document.write( "4 x -3 y = 8
\n" ); document.write( "Add the two equations
\n" ); document.write( "7 x = -7
\n" ); document.write( "/ 7
\n" ); document.write( "x = -1
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "1 x + 1 y = -5
\n" ); document.write( "-1 + 1 y = -5
\n" ); document.write( " 1 y = -5+1
\n" ); document.write( " 1 y = -4
\n" ); document.write( "
\n" ); document.write( "(-1,-4)\r
\n" ); document.write( "\n" ); document.write( "-2x+(1/2)y=1
\n" ); document.write( "multiply by 2
\n" ); document.write( "-4x+y=2..............(1)
\n" ); document.write( "2x+y=14..............(2)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "-4 x + 1 y = 2 .............1
\n" ); document.write( "2 x + 1 y = 14 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by -1
\n" ); document.write( "Multiply (2) by 1
\n" ); document.write( "4 x -1 y = -2
\n" ); document.write( "2 x + 1 y = 14
\n" ); document.write( "Add the two equations
\n" ); document.write( "6 x = 12
\n" ); document.write( "/ 6
\n" ); document.write( "x = 2
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "-4 x + 1 y = 2
\n" ); document.write( "-8 + 1 y = 2
\n" ); document.write( " 1 y = 2 + 8
\n" ); document.write( " 1 y = 10
\n" ); document.write( " y = 10 \r
\n" ); document.write( "\n" ); document.write( "(2,10)
\n" ); document.write( " \n" ); document.write( "
\n" );