document.write( "Question 336670: Solve each system of linear equation by method\r
\n" ); document.write( "\n" ); document.write( "2x + y = 4
\n" ); document.write( "x + 2y = 14\r
\n" ); document.write( "\n" ); document.write( "Please help
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #241326 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
1.\"2x+%2B+y+=+4\"
\n" ); document.write( "2.\"x+%2B+2y+=+14\"
\n" ); document.write( "Use substitution,
\n" ); document.write( "From eq. 1,
\n" ); document.write( "\"y=-2x%2B4\"
\n" ); document.write( "Substitute into eq. 2,
\n" ); document.write( "\"x%2B2%28-2x%2B4%29=14\"
\n" ); document.write( "\"x-4x%2B8=14\"
\n" ); document.write( "\"-3x%2B8=14\"
\n" ); document.write( "Complete this to solve for x.
\n" ); document.write( "Then back-substitute into eq. 1 to find y.
\n" ); document.write( "
\n" ); document.write( "
\n" );