Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

3x + 2y = 24
6x + 2y = 30

A) Multiply second equation by 2, solution (2, 9).
B) Multiply first equation by -2, solution (2, 9).
C) Multiply second equation by 2, solution (2, -9).
D) Multiply first equation by -2, solution (2, -9).

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field