document.write( "Question 327466: solve by elimination method\r
\n" );
document.write( "\n" );
document.write( "4x-9y=14.5
\n" );
document.write( "7y-2x=-8.5 \n" );
document.write( "
Algebra.Com's Answer #234579 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4x-9y=14.5 \n" ); document.write( "7y-2x=-8.5 multiply by 2 & add. \n" ); document.write( "-4x+14y=-17 \n" ); document.write( "4x-9y=14.5 \n" ); document.write( "---------------- \n" ); document.write( "5y=-2.5 \n" ); document.write( "y=-2.5/5 \n" ); document.write( "y=-.5 ans. \n" ); document.write( "----------- \n" ); document.write( "4x-9*-.5=14.5 \n" ); document.write( "4x+4.5=14.5 \n" ); document.write( "4x=14.5-4.5 \n" ); document.write( "4x=10 \n" ); document.write( "x=10/4 \n" ); document.write( "x=2.5 ans. \n" ); document.write( " |