document.write( "Question 87114: how do you solve for example: y=3x
\n" );
document.write( " x+y=12 \n" );
document.write( "
Algebra.Com's Answer #63073 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve for example: y=3x ; x+y=12 \n" ); document.write( "---------- \n" ); document.write( "Substitute to get: \n" ); document.write( "x+3x=12 \n" ); document.write( "4x = 12 \n" ); document.write( "x = 3 \n" ); document.write( "----------- \n" ); document.write( "Substitute to solve for y: \n" ); document.write( "y=3*3=9 \n" ); document.write( "-------------- \n" ); document.write( "System solution: x=3,y=9 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |