A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
3x – 4y = -43
- 4x 4y = -36
Subtract to eliminate y.
Subtract to eliminate x.
Add to eliminate x.
Add to eliminate y.

i dont know i just need points

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

the answer is 375 miles

step-by-step explanation: