document.write( "Question 391967: Amy is 5 years younger than bob. in three years bob will be twice Amy's age. Use x as bob's age. Write an equation to figure out Amy and Bob's ages \n" ); document.write( "
Algebra.Com's Answer #278193 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
a=b-5
\n" ); document.write( "a+3=2b
\n" ); document.write( ".
\n" ); document.write( "b-5+3=2b Substitute b-5 for a. You can't write 1 equation to find out both ages because you have 2 variables. With this equation you find out bob's age.
\n" ); document.write( ".
\n" ); document.write( "Ed
\n" ); document.write( "
\n" );