document.write( "Question 16937: Please Help: 9(11-k)=3(3k-9) The answer is 10 i think and im not sure how to get there. Thank you! \n" ); document.write( "
Algebra.Com's Answer #8237 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! 9(11-k)=3(3k-9) \n" ); document.write( "9*11-9k=3*3k-3*9 \n" ); document.write( "99-9k=9k-27 \n" ); document.write( "9k-27=99-9k \n" ); document.write( "9k+9k=99+27 \n" ); document.write( "18k=126 \n" ); document.write( "k=126/18=7 \n" ); document.write( "k=7...verification ..substitute k=7 in 9(11-k)=3(3k-9) \n" ); document.write( "9(11-7)=9*4=36=3(3*7-9)=3(21-9)=3*12=36....ok. \n" ); document.write( " |