document.write( "Question 272066: Please solve this using the elimination method.\r
\n" );
document.write( "\n" );
document.write( "2x + 3y = 2
\n" );
document.write( "-28 = 4x - 2y
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #199067 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x+3y=2 multiply by 2 & add. \n" ); document.write( "-4x+2y=28 \n" ); document.write( "4x+6y=4 \n" ); document.write( "---------------- \n" ); document.write( "8y=32 \n" ); document.write( "y=32/8 \n" ); document.write( "y=4 ans. \n" ); document.write( "2x+3*4=2 \n" ); document.write( "2x+12=2 \n" ); document.write( "2x=2-12 \n" ); document.write( "2x=-10 \n" ); document.write( "x=-10/2 \n" ); document.write( "x=-5 ans. \n" ); document.write( "Proof: \n" ); document.write( "-4*-5+2*4=28 \n" ); document.write( "20+8=28 \n" ); document.write( "28=28 \n" ); document.write( " \n" ); document.write( " |