document.write( "Question 554355: Solve by the elimination method.\r
\n" ); document.write( "\n" ); document.write( "4x+6y=14
\n" ); document.write( "3x-6y= -21
\n" ); document.write( "

Algebra.Com's Answer #361311 by Kasko(2)\"\" \"About 
You can put this solution on YOUR website!
Solve by the elimination method.\r
\n" ); document.write( "\n" ); document.write( "4x+6y=14
\n" ); document.write( "3x-6y= -21
\n" ); document.write( "7x=-7
\n" ); document.write( "X=-1
\n" ); document.write( "3x-6y=-21
\n" ); document.write( "3(-1)-6y=-21
\n" ); document.write( "-3-6y=-21
\n" ); document.write( "+3. +3
\n" ); document.write( "-6y=-18
\n" ); document.write( "/-6. /-6
\n" ); document.write( "y=3
\n" ); document.write( "(-1,3)
\n" ); document.write( "CHECK
\n" ); document.write( "4(-1)+6(3)=14
\n" ); document.write( "14=14
\n" ); document.write( "3(-1)-6(3)=-21
\n" ); document.write( "-21=-21
\n" ); document.write( "
\n" );