document.write( "Question 330614: The sum of twice a number and -6 is nine more than that the opposite of the number. Find the number. \n" ); document.write( "
Algebra.Com's Answer #237079 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Let x = \"a number\" \n" ); document.write( "then \n" ); document.write( "-x = \"opposite of the number\" \n" ); document.write( ": \n" ); document.write( "The sum of twice a number and -6 is nine more than that the opposite of the number. \n" ); document.write( "2x + (-6) = -x + 9 \n" ); document.write( "2x + x = 9 + 6 \n" ); document.write( "3x = 15 \n" ); document.write( "x = \n" ); document.write( "x = 5\r \n" ); document.write( "\n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution in original equation \n" ); document.write( "2(5) - 6 = -5 + 9 \n" ); document.write( " |