Plz ! i have a bad grade as it is and i don't want to drop it

Which property is illustrated by the statement given below? raj raj.

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books