Question

what should be added x-yto get 2x​

Answer 1

Answer:

x+ yap is write answer

hopes it will help you

Answer 2

Step-by-step explanation:

Given that

Let a should be added to x-y to get 2x

(x-y)+a = 2x

=>a = 2x-(x-y)

=>a = 2x-x+y

=>a = x+y

(x+y) should be added to (x-y) to get 2x.

Check:

(x-y)+(x+y)

=x-y+x+y

= x+x+y-y

=2x+0

=2x