SOLUTION: I am 12 years old and my brother is 5 years old. In how many years will i be twice as old as my brother?

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Question 802617: I am 12 years old and my brother is 5 years old. In how many years will i be twice as old as my brother?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = number of years from now
when I am twice as old as my brother
+12+%2B+n+=+2%2A%28+5+%2B+n+%29+
+12+%2B+n+=+10+%2B+2n+
+n+=+2+
In 2 years I will be twice as old as my brother
check:
+12+%2B+2+=+14+
+5+%2B+2+=+7+
+14+=+2%2A7+
OK