Question

For x=-9/11, y=5/7, verify (x+y)=(-x)+(-y)

Answer 1

Step-by-step explanation:

x = -9/11 and y = 5/7

(x+y) = (-x) + (-y)

(-9/11 + 5/7) = (-[-9/11]) + (-5/7)

([-63 + 55]/77) = (9/11 - 5/7)

-11/77 = (63 - 55)/77

-11/77 ≠ 11/77