Given:
The equation is

25 is subtracted from both sides.
To find:
The missing values for the given blanks.
Solution:
We have,

If 25 is subtracted from both sides, we get



So, the missing values for the blanks are 0 and 6 respectively.
It is also written as
25 + x = 31
-25 -25
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0 + x = 6
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Therefore, the missing values for the blanks are 0 and 6 respectively.