Question

Verify the property x + y = y + x of rational numbers by taking x=-2/5,y-9/10

Answer 1

Answer:

x + y = y + x

Given that,

x = -2/5, y = -9/10

=> (-2/5) + (-9/10) = (-9/10) + (-2/5)

=> -2/5 - 9/10 = -9/10 - 2/5

=> (-4-9) / 10 = (-9-4) / 10

=> -13/10 = -13/10

L.H.S = R.H.S