A midsegment of triangle AEC which equation could be used to find the value of X

Can someone answer this question? : )

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

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)