SOLUTION: Mark is two years older than Buddy. In a year from now Mark will be twice as old as Buddy. Find their present ages. (Pls only use 1 variable to solve) Thanks

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Question 1177912: Mark is two years older than Buddy. In a year from now Mark will be twice as old as Buddy. Find their present ages.
(Pls only use 1 variable to solve)
Thanks

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Buddy is x years old
Mark is two years older than Buddy,x%2B2

In a year from now Mark will be twice as old as Buddy.
%28x%2B1%29%2B2=2%28x%2B1%29
x%2B3=2x%2B2
3-2=2x-x
x=1
Buddy is 1 year old and Mark is 3 year old now