X-3 2x -1 find the excluded value

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You mean , right?

So to find excluded value, you just set denominator equal to zero;



From here, you just solve for x. Add both sides by 1 then divide both sides by 2, then you would have final answer;



So  is your excluded value.

The answer is 10. and if you go by pemdas you would 1. multiplication 2. division 3. addition 4. subtraction