document.write( "Question 343556: how to solve 3x-y=9 and 7x+2y=1 \n" ); document.write( "
Algebra.Com's Answer #245867 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3x-y=9 \n" ); document.write( "-y=-3x+9 \n" ); document.write( "y=3x-9 (red line) \n" ); document.write( "7x+2y=1 \n" ); document.write( "2y=-7x+1 \n" ); document.write( "y=-7x/2+1/2 \n" ); document.write( "y=-3.5x+.5 (green line) \n" ); document.write( " \n" ); document.write( "Ans.(1.31,-5.07) \n" ); document.write( " |