Gabriel is 3 years younger than Frank. The current total of their ages right now is 17. What is Frank's age?
Let X be Frank's age.
So Gabriel is X-3 years old.
The total of their ages is X + (X-3) = 17 years old.
2X-3 = 17
2X = 20
X = <<10=10>>10
So Frank is X = <<10=10>>10 years old.
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