Respuesta :

Answer:

+4

Explanation:

[tex]SO^{-2} _{3}[/tex] , Oxygen always works with -2. You multiply with the number of atoms -2*3= -6

S=x+(-6)=-2

x-6=-2   -> x= -2+6  -> x= +4

+4 is the answer I got it right hope this helps
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