On the equation of X: (A-2) \ \ (X-2) + (A-2) \ \ (2-x), there are innumerable solutions. For the value of a, please write the steps, 3Q

(a-2)\(x-2)+(a-2)\(2-x)=[(a-2)-（a-2)]/(x-2)=0/(x-2)=0
So a can take any value

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