What is the solution to the system x + y = 5 and 3x - y = 3?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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.