7,014 + 2,415 + 774 + 30 = 7 7,002 + 697 + 16 + 729 = 8 6,402 + 759 + 16,802 = 9 6,503 + 2,134 + 642 + 25 = 10 928 -638 11 5,482 -1,763

Math it's appreciated. (picture provided)

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

Solve for x and select the correct answer