Question 810224
Let l = the length of the rectangle 
Let w = the width of the rectangle 
The area of a rectangle is given by
(1) A = l*w
The problem statement is given by
(2) A + 7 = 2*A - 4 or
(3) A - 2*A = -4 - 7 or
(4) -A = -11 or
(5) A = 11
Answer: the area of the rectangle is 11 square units.
PS l and w do not enter into the solution of the problem.