document.write( "Question 184713: I need help with this problem.
\n" );
document.write( "Solve by the elimination method
\n" );
document.write( "4x-3y=39
\n" );
document.write( "3x+2y=-9
\n" );
document.write( "What is the solution of the system
\n" );
document.write( "Type an ordered pair
\n" );
document.write( "Simplify your answer \n" );
document.write( "
Algebra.Com's Answer #138672 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4x-3y=39 MULTIPLY BY 2 \n" ); document.write( "3x+2y=-9 MULTIPLY BY 3 & ADD. \n" ); document.write( "8X-6Y=78 \n" ); document.write( "9X+6Y=-27 \n" ); document.write( "----------------------- \n" ); document.write( "17X=51 \n" ); document.write( "X=51/17 \n" ); document.write( "X=3 ANS. \n" ); document.write( "4*3-3Y=39 \n" ); document.write( "12-3Y=39 \n" ); document.write( "-3Y=39-12 \n" ); document.write( "-3Y=27 \n" ); document.write( "Y=27/-3 \n" ); document.write( "Y=-9 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "3*3+2*-9=-9 \n" ); document.write( "9-18=-9 \n" ); document.write( "-9=-9\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |