document.write( "Question 883863: Can you please solve?\r
\n" );
document.write( "\n" );
document.write( "2x-7y=9\r
\n" );
document.write( "\n" );
document.write( "8x+5y=69 \n" );
document.write( "
Algebra.Com's Answer #533823 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! multiply the firs equation by 4 \n" ); document.write( "8x -28y = 36 \n" ); document.write( "now subtract the result above from the second equation \n" ); document.write( "33y = 33 \n" ); document.write( "y = 1 \n" ); document.write( "now substitute for y in first equation \n" ); document.write( "2x -7 = 9 \n" ); document.write( "2x = 16 \n" ); document.write( "x = 8 \n" ); document.write( "our answer is x = 8 and y = 1 \n" ); document.write( " \n" ); document.write( " |