document.write( "Question 669722: How do i solve 2x +7y =8 and x- 9y =4 ? \n" ); document.write( "
Algebra.Com's Answer #416541 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x- 9y =4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 9y+4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-----------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x +7y =8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x +7y =8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(x) + 7y = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(9y+4)+7y = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(9y+4) + 7y = 8 \n" ); document.write( " |