document.write( "Question 65554: x+y=5
\n" );
document.write( "x+2z=6
\n" );
document.write( "y+3z=4\r
\n" );
document.write( "\n" );
document.write( "Please solve this system of equations \n" );
document.write( "
Algebra.Com's Answer #46105 by chitra(359)![]() ![]() You can put this solution on YOUR website! THE GIVEN SYSTEM OF EQUATIONS ARE: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X + Y = 5 ------------> (1) \n" ); document.write( "X + 2Z = 6 ------------> (2) \n" ); document.write( "Y + 3Z = 4 ------------> (3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ADDING (1) AND (3), WE GET:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X + 2Y + 3Z = 9 ---------->(4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ADDING (2) AND (3), WE GET: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X + Y + 5Z = 10 ---------->(5) \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "SUBTRACTING (4) AND (5), WE GET: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Y - 2Z = -1 ----------->(6) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "SUBTRACTING (6) FROM (3), WE GET: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-5Z = - 5 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "THIS IMPLIES Z = 1 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "SUBSTITUTE THE VALUE OF Z IN (6), WE GET: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Y - 2(1) = -1 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Y = -1 + 2 \r \n" ); document.write( "\n" ); document.write( "Y = 1 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "NOW, SUBSTITUTE THE VALUE OF Y IN (1), WE GET: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X + 1 = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X = 5 - 1 \r \n" ); document.write( "\n" ); document.write( "X = 4 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "HENCE, THE VALUES OF X, Y AND Z ARE: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X = 4, Y = 1 AND Z = 1 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "HENCE THE SOLUTION. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "HAPPY CALCULATING........!!!!!!!!\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |