Which equation results from adding the equations in this system?

x + 6y = 9
-x+2y = - 15

8y = -6
8y = 6
4y = 24
4y = - 6

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!