document.write( "Question 162417: -3x+2y=11
\n" );
document.write( "3x-4y=-19\r
\n" );
document.write( "\n" );
document.write( "use addition method
\n" );
document.write( "solve for x and y to get coordinate \n" );
document.write( "
Algebra.Com's Answer #119692 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! -3x+2y=11 \n" ); document.write( "3x-4y=-19 \n" ); document.write( "use addition method \n" ); document.write( "----------------------- \n" ); document.write( "Add the two equations to solve for \"y\": \n" ); document.write( "2-y = -8 \n" ); document.write( "y = 4 \n" ); document.write( "-------- \n" ); document.write( "Substitute into 3x-4y = -19 to solve for \"x\": \n" ); document.write( "3x -4(4) = -19 \n" ); document.write( "3x - 16 = -19 \n" ); document.write( "3x = -3 \n" ); document.write( "x = -1 \n" ); document.write( "=============== \n" ); document.write( "Ans: x = -1 ; y = 4 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |