What is the value of the rational expression below when x is equal to 4? x-12/x-8

When x=4 we get the value of the given expression is

Step-by-step explanation:

Given rational expression is

To find the value of the given rational expression

when x is equal to 4 :

That is the value of the given rational expression

when x=4 :

Put x=4 in the above rational expression we get

Therefore  when x=4 we get the value of the given expression is

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