Which equation results from adding the equations in this system?

-2 x + y = 8.
5 x-y = - 5.

7x=13
7x=3
3x=3
3x=13

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

What statement is true? 2x^2-9x+2=-1