document.write( "Question 322000: x-5y=-18 and x-7y=6 \n" ); document.write( "
Algebra.Com's Answer #230485 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x-5y=-18 and x-7y=6\r \n" ); document.write( "\n" ); document.write( "subtract the equations \n" ); document.write( "x-5y-x+7y=-18-6 \n" ); document.write( "+2y=-24 \n" ); document.write( "y=-12 \n" ); document.write( ".. \n" ); document.write( "x-5y=-18 \n" ); document.write( "plug the value of y \n" ); document.write( "x+60=-18 \n" ); document.write( "x=-78 \n" ); document.write( " |