-18\dfrac9{17} + \left(-18\dfrac{9}{17}\right)−18 17
9

+(−18
17
9

)minus, 18, start fraction, 9, divided by, 17, end fraction, plus, left parenthesis, minus, 18, start fraction, 9, divided by, 17, end fraction, right parenthesis?

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