The sum of a certain number and 3.
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the sum of a certain number and 3
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The sum of a certain number (let a) and 3 will be (a+3).
Explanation:
Given- sum of a certain number and 3.
Let a certain number be 'a'.
Sum is the result or answer we get on adding two or more numbers.
Example: sum of 3 and 5 will be 3+5 = 8.
A certain number is a variable which will be an integer ( positive or negative integer). certain number can be change as per need. we can say that, let 'a' be the certain number, then 'a' is a variable and a ∈ Z .
When we add a cerain number 'a' and 3 we will get,
Sum = 
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