document.write( "Question 1018567: 3u+z=15
\n" );
document.write( "U+2z=10 \n" );
document.write( "
Algebra.Com's Answer #634644 by FrankM(1040)![]() ![]() You can put this solution on YOUR website! 3u+z=15 \n" ); document.write( "U+2z=10\r \n" ); document.write( "\n" ); document.write( "double 1st equation\r \n" ); document.write( "\n" ); document.write( "6u+2z=30 \n" ); document.write( "U+2z=10\r \n" ); document.write( "\n" ); document.write( "subtract\r \n" ); document.write( "\n" ); document.write( "5u=20 \n" ); document.write( "u=4 \n" ); document.write( "z=3 \n" ); document.write( " |