document.write( "Question 781672: Is (-9,-7) a solution of 3x-7y=15 \n" ); document.write( "
Algebra.Com's Answer #476040 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Is (-9,-7) a solution of 3x-7y=15 \n" ); document.write( "-------- \n" ); document.write( "Substitute to see if you get a true statement:: \n" ); document.write( "3*-9 -7*-7 = 15 \n" ); document.write( "-27 + 49 = 15 \n" ); document.write( "---- \n" ); document.write( "22 = 15 \n" ); document.write( "----- \n" ); document.write( "False \n" ); document.write( "So, (-9,-7) is not a solution. \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |