document.write( "Question 232152: Six times the sum of a number and 15 is 99 more than three times the number. what is the number? \n" ); document.write( "
Algebra.Com's Answer #171641 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 6x+15=99+3x \n" ); document.write( "6x-3x=99-15 \n" ); document.write( "3x=84 \n" ); document.write( "x=84/3 \n" ); document.write( "x=28 ans. \n" ); document.write( "Proof: \n" ); document.write( "6*28+15=99+3*28 \n" ); document.write( "168+15=99+84 \n" ); document.write( "183=183 \n" ); document.write( " |