Answer:
34
Explanation:
FIVE ADDED TO A NUMBER GIVES THE SUM OF 39
SO, LET THE UNKNOWN NUMBER BE X
5 + x =39
if a positive number moves to he other it becomes negative
x = 39-5
x= 34
therefore 34+5 =39
hope this helps
The unknown number is 34.
x+5=39
x=39-5
x=34
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