document.write( "Question 950365: three times the sum of a number and 3 is 15 less than the number times 7. Find the number. \n" ); document.write( "
Algebra.Com's Answer #580288 by macston(5194)![]() ![]() You can put this solution on YOUR website! n=a number; \n" ); document.write( "3(n+3)=7n-15 \n" ); document.write( "3n+9=7n-15 Subtract 3n from each side. \n" ); document.write( "9=4n-15 Add 15 to each side. \n" ); document.write( "24=4n Divide each side by 4. \n" ); document.write( "6=n ANSWER: The number is 6 \n" ); document.write( "CHECK \n" ); document.write( "3(n+3)=7n-15 \n" ); document.write( "3(6+3)=7(6)-15 \n" ); document.write( "3(9)=42-15 \n" ); document.write( "27=27\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |