SOLUTION: After 12 years I shall be 3 times old as I was 4 years ago. Find my present age

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Question 1108466: After 12 years I shall be 3 times old as I was 4 years ago. Find my present age
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = my present age
+x+%2B+12+=+3%2A%28+x+-+4+%29+
+x+%2B+12+=+3x+-+12+
+2x+=+24+
+x+=+12+
I am 12 now
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check:
+x+%2B+12+=+3%2A%28+x+-+4+%29+
+12+%2B+12+=+3%2A%28+12+-+4+%29+
+24+=+3%2A8+
+24+=+24+
OK