document.write( "Question 786888: X+y=46
\n" );
document.write( "5x-30=3y
\n" );
document.write( "What is x and what us y \n" );
document.write( "
Algebra.Com's Answer #478007 by rfer(16322) ![]() You can put this solution on YOUR website! x+y=46 \n" ); document.write( "y=46-x \n" ); document.write( "------------ \n" ); document.write( "5x-30=3y \n" ); document.write( "5x-30=3(46-x) \n" ); document.write( "5x-30=138-3x \n" ); document.write( "5x+3x=138+30 \n" ); document.write( "8x=168 \n" ); document.write( "x=168/8 \n" ); document.write( "x=21 \n" ); document.write( "------------- \n" ); document.write( "5*21-30=3y \n" ); document.write( "105-30=3y \n" ); document.write( "75=3y \n" ); document.write( "y=25 \n" ); document.write( "------------- \n" ); document.write( "(21,25) \n" ); document.write( "------------ \n" ); document.write( "21+25=46 \n" ); document.write( " |