Question

answer for part b with proper working​

Answer 1

1/x-y+3

given x=-2 y=4

just substitute the given values

1/-2 -4 +3

》by taking lcm

-1-8+6 / 2

-3/2

hope it helps you

all the best

Answer 2

Answer:

1/x-y+3

1/(-2)-4+3

(-1-8+6) /2

(-9+6)/2

-3/2

=-1. 5

hope it helps you.