Simplify -2(4-3x)/(5x-2)

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)