Me! asap!
1. what is the solution for the system of equations?
use the substitution method to solve.
y=5−3x5x−4y=−3
2. a system of equations is graphed on the coordinate plane.
y=−2x−4y=2x+4y=−2x−4y=2x+4
what is the solution to the system of equations?

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