SOLUTION: Kabir age is 20 years hence will be 3 time his age 12 years ago. Find Kabir present age.

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Question 720605: Kabir age is 20 years hence will be 3 time his age 12 years ago. Find Kabir present age.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = his age now
+x+%2B+20+ = his age 20 years hence
+x+-+12+ = his age 12 years ago
given:
+x+%2B+20+=+3%2A%28+x+-+12+%29+
+x+%2B+20+=+3x+-+36+
+2x+=+56+
+x+=+28+
He is 28 now
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check:
In 20 years he is 48
12 years ago he was 16
+48+=+3%2A16+
+48+=+48+
OK