SOLUTION: X is five times older than his son Y. the sum of their ages today is equivalent to three dozen. how old was X when his son Y was born ?

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Question 1001867: X is five times older than his son Y. the sum of their ages today is equivalent to three dozen. how old was X when his son Y was born ?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x+=+5y+
+x+%2B+y+=+36+
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By substitution:
+5y+%2B+y+=+36+
+6y+=+36+
+y+=+6+
and
+x+=+5y+
+x+=+5%2A6+
+x+=+30+
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+y+ was born 6 years ago
6 years ago, +x+ was
+30+-+6+=+24+
x was 24 when y was born