When x-y=3 work out the value of y-x

The value of y-x is (-3)

Solution:

Given: The value of x-y=3

To find: The value of y-x

Let's multiply the equation (1) by (- 1) on both sides,

On multiplying the sign,

The above equation can also be written as,

Multiplication of signs:

In simpler terms, when we multiply two integers with the same signs, the result is always positive and when we multiply two integers with different signs, the result is always negative.