SOLUTION: If frank is 7 years older than chuck and the sum of their ages was 15 how old is chuck?

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Question 823665: If frank is 7 years older than chuck and the sum of their ages was 15 how old is chuck?
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
x = Chuck's age
x + 7 = Frank's age

x + x + 7 = 15 {the sum of their ages is 15}
2x + 7 = 15 {combined like terms}
2x = 8 {subtracted 7 from each side}
x = 4 {divided each side by 2}

Chuck is 4

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