document.write( "Question 168385: I need to determine x, y and z when x+y+z=1150 and x=4z-100 and x=6y+50. So far the only thing I have figured out is that 1150=1150. Not a good answer. \r
\n" );
document.write( "\n" );
document.write( "Can someone please help. \n" );
document.write( "
Algebra.Com's Answer #124112 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! determine x, y and z when \n" ); document.write( "x+y+z=1150 \n" ); document.write( "x=4z-100 \n" ); document.write( "x=6y+50 \n" ); document.write( "------------- \n" ); document.write( "x + y + z = 1150 \n" ); document.write( "x + 0 -4z = -100 \n" ); document.write( "x -6y + 0 = 50 \n" ); document.write( "-------------------- \n" ); document.write( "Use any method to solve the system to get: \n" ); document.write( "x = 800 \n" ); document.write( "y = 125 \n" ); document.write( "z = 225 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |