Respuesta :

Step-by-step explanation:

Solution,

Given:-a=b

Now,

  • a-c=b-c

Then,

  • a-c=a-c ,because a=b is given

Again,

  • a-c-(a-c)=0
  • a-c-a+c=0
  • 0=0

At last,

  • 0 will be the answer.

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