SOLUTION: Jacob is 7 years older than twice Sarah's age. If the sum of their ages is 61, how old is Jacob?

Question 1054499: Jacob is 7 years older than twice Sarah's age.
If the sum of their ages is 61, how old is Jacob?
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!
Jacob is 7 years older than twice Sarah's age.



J = 2S + 7

...the sum of their ages is 61.



J + S = 61

Solve this system by substitution.



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