document.write( "Question 835024: 15x - 9y = 0
\n" ); document.write( "2x + 3y = 21
\n" ); document.write( "

Algebra.Com's Answer #519200 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
from 1)\r
\n" ); document.write( "\n" ); document.write( "y=5/3 x\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "from 2)
\n" ); document.write( "2x+3(5/3 x) = 21
\n" ); document.write( "2x+5x=21
\n" ); document.write( "7x=21
\n" ); document.write( "x=3\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "y=5/3 (3)
\n" ); document.write( "y=5\r
\n" ); document.write( "\n" ); document.write( "solution:
\n" ); document.write( "(3,5)
\n" ); document.write( "
\n" );