document.write( "Question 350240: sum of 2 numbers is twice their difference. if one of the numbers is 10, the other number is what? \n" ); document.write( "
| Algebra.Com's Answer #250344 by ewatrrr(24785)     You can put this solution on YOUR website! Hi, \n" ); document.write( ". \n" ); document.write( "*Note: Let n be the unknown number \n" ); document.write( ". \n" ); document.write( "Write as You read \n" ); document.write( "10 + n = 2*(n-10) \n" ); document.write( ". \n" ); document.write( "Simplify and solve \n" ); document.write( "10 + n = 2n -20 \n" ); document.write( "10+20= n \n" ); document.write( "n = 30 \n" ); document.write( ". \n" ); document.write( "check your answer \n" ); document.write( "10+30 = 2*(30-10) = 40 \n" ); document.write( " |