document.write( "Question 110321: 7x+9y=26
\n" );
document.write( "x=32-6y
\n" );
document.write( "Solve for y and x \n" );
document.write( "
Algebra.Com's Answer #80385 by malakumar_kos@yahoo.com(315)![]() ![]() ![]() You can put this solution on YOUR website! 7x+9y=26 \n" ); document.write( "x=32-6y \n" ); document.write( "Solve for y and x\r \n" ); document.write( "\n" ); document.write( " we have to find the values of x&y so we will use ellimination method\r \n" ); document.write( "\n" ); document.write( " 7x+9y = 26......(1)\r \n" ); document.write( "\n" ); document.write( " x+6y = 32.......(2) {got by transfering 6y to left hand side}\r \n" ); document.write( "\n" ); document.write( " multiply (2) by 7 and subtract (1) & (3) hence (2) becomes 7x+42y= 224..(3)\r \n" ); document.write( "\n" ); document.write( " subtracting 1& 3 we get -33y = -198 or y = -198/-33 = 6\r \n" ); document.write( "\n" ); document.write( " substitute for y in (2) we get x = 32- 6(6) = 32-36 = -4\r \n" ); document.write( "\n" ); document.write( " therefore the values of x& y are x = -4 and y = 6\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |