Answer:
the answer is 31!
Explanation:
So if you do 12 x 3 that is 36 and 36-5 is 31
so then you see if it works
31 +5 = 36
36/3 = 12
number: 31
Let the number be x
This number is added by 5, so: x + 5
Then we divide it total by 3, so: (x + 5)/3
And this equals to 12, (x + 5)/3 = 12
Solve for unknown number:
(x + 5)/3 = 12
x + 5 = 36
x = 36 - 5
x = 31
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