Translate 6 times the difference of a number x and 9 is 12

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.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?