What is the answer A B C or D. WILL GIVE BRAINLIEST

Ineed with number 6 , explain how to get 1978

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955