Respuesta :

elliottou

Answer:

x= 2

Step-by-step explanation:

in a rational expression a/b, a/b is 0 when a = 0 and b does not =0

ie. 0/1 = 0; 0/12 = 0

that means that 2-x = 0

2-x+x = 0+x

2= x

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