document.write( "Question 391897: solve by the substition method
\n" );
document.write( "3x - 2y = -12
\n" );
document.write( "9x + 51 = y\r
\n" );
document.write( "\n" );
document.write( "find the solution and type the ordered pair \n" );
document.write( "
Algebra.Com's Answer #278097 by lwsshak3(11628) ![]() You can put this solution on YOUR website! given:solve by the substition method \n" ); document.write( "3x - 2y = -12 \n" ); document.write( "9x + 51 = y\r \n" ); document.write( "\n" ); document.write( "3x-2(9x+51)=-12 \n" ); document.write( "3x-18x-102=-12 \n" ); document.write( "-15x=90 \n" ); document.write( "x=-90/15=-6 \n" ); document.write( "y=9*-6+51=-3\r \n" ); document.write( "\n" ); document.write( "ans :ordered pair for point of intersection, (-6,-3)\r \n" ); document.write( "\n" ); document.write( "see graph below:\r \n" ); document.write( "\n" ); document.write( " |