On a fishing expedition, the total weight of Eduardo's two heaviest catches was 30 pounds. If twice the weight of the first of those catches was 12 pounds more than the weight of the second, what was the weight, in pounds, of the first?
On a fishing expedition, the total weight of Eduardo's two heaviest catches was 30 pounds. If twice the weight of the first of those catches was 12 pounds more than the weight of the second, what was the weight, in pounds, of the first?