document.write( "Question 416589: Solve the system by the elimination method
\n" ); document.write( "4x-4y=2
\n" ); document.write( "16x+8y=14 \n" ); document.write( "

Algebra.Com's Answer #291859 by praseenakos@yahoo.com(507) $\"\"$ $\"About$

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4x-4y=2\r
\n" ); document.write( "\n" ); document.write( "16x+8y=14\r
\n" ); document.write( "\n" ); document.write( " $\"2%284x-4y%29+=2%2A+2\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"+8x+-8y+=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"16x+%2B8y=14\"$ \r
\n" ); document.write( "\n" ); document.write( "Add these vertically...\r
\n" ); document.write( "\n" ); document.write( "==> $\"+24x++=+18+\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"+24x%2F24++=+18%2F24+\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"+x++=+0.75+\"$ \r
\n" ); document.write( "\n" ); document.write( "Now plug in the value, x = 0,75 in the first equation...\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"4%280.75%29-4y=2\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "==> $\"+3+-+4y=2\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"+3+-+4y+-3=2+-3\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"-4y=+-1+\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"-4y%2F-4=+-1%2F-4+\"$ \r
\n" ); document.write( "\n" ); document.write( "==> $\"+y=+0.25+\"$ \r
\n" ); document.write( "\n" ); document.write( "x = 0.75
\n" ); document.write( "y= 0.25
\n" ); document.write( " \n" ); document.write( "

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