Carl is boarding a plane. He has 2 checked bags of equal weight and a backpack that weighs 4 kg. The total weight of Carl’s baggage is 35 kg. Write an equation to determine the weight, w, of each of Carl is boarding a plane. He has 2 checked bags of equal weight and a backpack that weighs 4 kg. The total weight of Carl’s baggage is 35 kg. Write an equation to determine the weight, w, of each of Carl’s checked bags. Find...