The answer is 2-7x I'm 100% sure
Unfortunately, Nicholas' steps in simplifying the fraction is not reflected in the question. However, the general idea of the simplifying fraction is to find the greatest common factor (GCF) of both the numerator and the denominator. In this case, the GCF is 10. Then, divide both numbers by the GCF. The answer for this item should be 2/3.
-11.1666667 should be the answer
(5,4) simply substitute the values in! they work :) hope it helped