Question

Verify x + y = y + x for following values of x and y.
1]x=-5/14,y=-1/21
2]x=5,,y=9/2

Answer 1

Answer:

firstly,

5/14 + -1/21

15+(-2)/42

13/42

secondly,

-1/21+5/14

-2+15/42

13/42

therefore, verified