Question

5. Verify (a) (-x) + (-y) = -(x + y)
(b) X- (-y) = x + y
For the following values of x and y
K(i) x = 5, y = 3 (ii) x = 4, y = 9.
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Answer 1

Step-by-step explanation:

some formulae used

(-) +(-) =+

(+) +(+)=+

(-)+(+)=(-)