Question 1132335
===
Daryl os one-half of her brother's age now. Two years ago, her brother was two more than twice Daryl's age. 
===


Ages d and 2d, Daryl and brother of Daryl


{{{2d-2=2+2(d-2)}}}

-

{{{2d-2=2+2d-4}}}

{{{2d-2=2d-2}}}

This is in one variable and will always be true.