Question 1168357: If I subtract 47 from Bob's age, I get 12. How old is Bob?
so I put b=12 but I know there is more to it but I don't know Found 2 solutions by Theo, josgarithmetic:Answer by Theo(13342) (Show Source):
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If I subtract 47 from Bob's age, I get 12. How old is Bob?
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So, do exactly what is described!
Now you see what to do next.