Find the unknown side length x. Write your answer in simplest radical form.

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

3x + 4y = 5 x- 3y = -7 solve by substitution

What’s the range cuz i can’t find it?