document.write( "Question 674320: when seven times a number is decreased by 6, the result is 57. What is the number? \n" ); document.write( "
Algebra.Com's Answer #419159 by rm29924(97) You can put this solution on YOUR website! Let x = a number \n" ); document.write( "seven times a number is 7x \n" ); document.write( "decreased by 6 means subtract 6 \n" ); document.write( "7x-6=57 \n" ); document.write( "add 6 to both sides \n" ); document.write( "7x=63 \n" ); document.write( "divide both sides by 7 to get x alone \n" ); document.write( "x=9\r \n" ); document.write( "\n" ); document.write( "answer: 9\r \n" ); document.write( "\n" ); document.write( "check answer: \n" ); document.write( "7x-6=57 \n" ); document.write( "7(9)-6=57 \n" ); document.write( "63-6=57 \n" ); document.write( "57=57 \n" ); document.write( " |