SOLUTION: 16 years from now, Pia's age will be twice her age 12 years ago. What's her present age

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Question 1002657: 16 years from now, Pia's age will be twice her age 12 years ago. What's her present age
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = her present age
+x+%2B+16+ = her age in 16 yrs
+x+-+12+ = her age 12 years ago
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given:
+x+%2B+16+=+2%2A%28+x+-+12+%29+
+x+%2B+16+=+2x+-+24+
+x+=+16+%2B+24+
+x+=+40+
she is presently 40
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check:
+x+%2B+16+=+2%2A%28+x+-+12+%29+
+40%2B+16+=+2%2A%28+40+-+12+%29+
+56+=+2%2A28+
+56+=+56+
OK